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Case Study – Methods, Examples and Guide
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A case study is a research method that involves an in-depth examination and analysis of a particular phenomenon or case, such as an individual, organization, community, event, or situation.
It is a qualitative research approach that aims to provide a detailed and comprehensive understanding of the case being studied. Case studies typically involve multiple sources of data, including interviews, observations, documents, and artifacts, which are analyzed using various techniques, such as content analysis, thematic analysis, and grounded theory. The findings of a case study are often used to develop theories, inform policy or practice, or generate new research questions.
Types of Case Study
Types and Methods of Case Study are as follows:
Single-Case Study
A single-case study is an in-depth analysis of a single case. This type of case study is useful when the researcher wants to understand a specific phenomenon in detail.
For Example , A researcher might conduct a single-case study on a particular individual to understand their experiences with a particular health condition or a specific organization to explore their management practices. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as content analysis or thematic analysis. The findings of a single-case study are often used to generate new research questions, develop theories, or inform policy or practice.
Multiple-Case Study
A multiple-case study involves the analysis of several cases that are similar in nature. This type of case study is useful when the researcher wants to identify similarities and differences between the cases.
For Example, a researcher might conduct a multiple-case study on several companies to explore the factors that contribute to their success or failure. The researcher collects data from each case, compares and contrasts the findings, and uses various techniques to analyze the data, such as comparative analysis or pattern-matching. The findings of a multiple-case study can be used to develop theories, inform policy or practice, or generate new research questions.
Exploratory Case Study
An exploratory case study is used to explore a new or understudied phenomenon. This type of case study is useful when the researcher wants to generate hypotheses or theories about the phenomenon.
For Example, a researcher might conduct an exploratory case study on a new technology to understand its potential impact on society. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as grounded theory or content analysis. The findings of an exploratory case study can be used to generate new research questions, develop theories, or inform policy or practice.
Descriptive Case Study
A descriptive case study is used to describe a particular phenomenon in detail. This type of case study is useful when the researcher wants to provide a comprehensive account of the phenomenon.
For Example, a researcher might conduct a descriptive case study on a particular community to understand its social and economic characteristics. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as content analysis or thematic analysis. The findings of a descriptive case study can be used to inform policy or practice or generate new research questions.
Instrumental Case Study
An instrumental case study is used to understand a particular phenomenon that is instrumental in achieving a particular goal. This type of case study is useful when the researcher wants to understand the role of the phenomenon in achieving the goal.
For Example, a researcher might conduct an instrumental case study on a particular policy to understand its impact on achieving a particular goal, such as reducing poverty. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as content analysis or thematic analysis. The findings of an instrumental case study can be used to inform policy or practice or generate new research questions.
Case Study Data Collection Methods
Here are some common data collection methods for case studies:
Interviews involve asking questions to individuals who have knowledge or experience relevant to the case study. Interviews can be structured (where the same questions are asked to all participants) or unstructured (where the interviewer follows up on the responses with further questions). Interviews can be conducted in person, over the phone, or through video conferencing.
Observations
Observations involve watching and recording the behavior and activities of individuals or groups relevant to the case study. Observations can be participant (where the researcher actively participates in the activities) or non-participant (where the researcher observes from a distance). Observations can be recorded using notes, audio or video recordings, or photographs.
Documents can be used as a source of information for case studies. Documents can include reports, memos, emails, letters, and other written materials related to the case study. Documents can be collected from the case study participants or from public sources.
Surveys involve asking a set of questions to a sample of individuals relevant to the case study. Surveys can be administered in person, over the phone, through mail or email, or online. Surveys can be used to gather information on attitudes, opinions, or behaviors related to the case study.
Artifacts are physical objects relevant to the case study. Artifacts can include tools, equipment, products, or other objects that provide insights into the case study phenomenon.
How to conduct Case Study Research
Conducting a case study research involves several steps that need to be followed to ensure the quality and rigor of the study. Here are the steps to conduct case study research:
- Define the research questions: The first step in conducting a case study research is to define the research questions. The research questions should be specific, measurable, and relevant to the case study phenomenon under investigation.
- Select the case: The next step is to select the case or cases to be studied. The case should be relevant to the research questions and should provide rich and diverse data that can be used to answer the research questions.
- Collect data: Data can be collected using various methods, such as interviews, observations, documents, surveys, and artifacts. The data collection method should be selected based on the research questions and the nature of the case study phenomenon.
- Analyze the data: The data collected from the case study should be analyzed using various techniques, such as content analysis, thematic analysis, or grounded theory. The analysis should be guided by the research questions and should aim to provide insights and conclusions relevant to the research questions.
- Draw conclusions: The conclusions drawn from the case study should be based on the data analysis and should be relevant to the research questions. The conclusions should be supported by evidence and should be clearly stated.
- Validate the findings: The findings of the case study should be validated by reviewing the data and the analysis with participants or other experts in the field. This helps to ensure the validity and reliability of the findings.
- Write the report: The final step is to write the report of the case study research. The report should provide a clear description of the case study phenomenon, the research questions, the data collection methods, the data analysis, the findings, and the conclusions. The report should be written in a clear and concise manner and should follow the guidelines for academic writing.
Examples of Case Study
Here are some examples of case study research:
- The Hawthorne Studies : Conducted between 1924 and 1932, the Hawthorne Studies were a series of case studies conducted by Elton Mayo and his colleagues to examine the impact of work environment on employee productivity. The studies were conducted at the Hawthorne Works plant of the Western Electric Company in Chicago and included interviews, observations, and experiments.
- The Stanford Prison Experiment: Conducted in 1971, the Stanford Prison Experiment was a case study conducted by Philip Zimbardo to examine the psychological effects of power and authority. The study involved simulating a prison environment and assigning participants to the role of guards or prisoners. The study was controversial due to the ethical issues it raised.
- The Challenger Disaster: The Challenger Disaster was a case study conducted to examine the causes of the Space Shuttle Challenger explosion in 1986. The study included interviews, observations, and analysis of data to identify the technical, organizational, and cultural factors that contributed to the disaster.
- The Enron Scandal: The Enron Scandal was a case study conducted to examine the causes of the Enron Corporation’s bankruptcy in 2001. The study included interviews, analysis of financial data, and review of documents to identify the accounting practices, corporate culture, and ethical issues that led to the company’s downfall.
- The Fukushima Nuclear Disaster : The Fukushima Nuclear Disaster was a case study conducted to examine the causes of the nuclear accident that occurred at the Fukushima Daiichi Nuclear Power Plant in Japan in 2011. The study included interviews, analysis of data, and review of documents to identify the technical, organizational, and cultural factors that contributed to the disaster.
Application of Case Study
Case studies have a wide range of applications across various fields and industries. Here are some examples:
Business and Management
Case studies are widely used in business and management to examine real-life situations and develop problem-solving skills. Case studies can help students and professionals to develop a deep understanding of business concepts, theories, and best practices.
Case studies are used in healthcare to examine patient care, treatment options, and outcomes. Case studies can help healthcare professionals to develop critical thinking skills, diagnose complex medical conditions, and develop effective treatment plans.
Case studies are used in education to examine teaching and learning practices. Case studies can help educators to develop effective teaching strategies, evaluate student progress, and identify areas for improvement.
Social Sciences
Case studies are widely used in social sciences to examine human behavior, social phenomena, and cultural practices. Case studies can help researchers to develop theories, test hypotheses, and gain insights into complex social issues.
Law and Ethics
Case studies are used in law and ethics to examine legal and ethical dilemmas. Case studies can help lawyers, policymakers, and ethical professionals to develop critical thinking skills, analyze complex cases, and make informed decisions.
Purpose of Case Study
The purpose of a case study is to provide a detailed analysis of a specific phenomenon, issue, or problem in its real-life context. A case study is a qualitative research method that involves the in-depth exploration and analysis of a particular case, which can be an individual, group, organization, event, or community.
The primary purpose of a case study is to generate a comprehensive and nuanced understanding of the case, including its history, context, and dynamics. Case studies can help researchers to identify and examine the underlying factors, processes, and mechanisms that contribute to the case and its outcomes. This can help to develop a more accurate and detailed understanding of the case, which can inform future research, practice, or policy.
Case studies can also serve other purposes, including:
- Illustrating a theory or concept: Case studies can be used to illustrate and explain theoretical concepts and frameworks, providing concrete examples of how they can be applied in real-life situations.
- Developing hypotheses: Case studies can help to generate hypotheses about the causal relationships between different factors and outcomes, which can be tested through further research.
- Providing insight into complex issues: Case studies can provide insights into complex and multifaceted issues, which may be difficult to understand through other research methods.
- Informing practice or policy: Case studies can be used to inform practice or policy by identifying best practices, lessons learned, or areas for improvement.
Advantages of Case Study Research
There are several advantages of case study research, including:
- In-depth exploration: Case study research allows for a detailed exploration and analysis of a specific phenomenon, issue, or problem in its real-life context. This can provide a comprehensive understanding of the case and its dynamics, which may not be possible through other research methods.
- Rich data: Case study research can generate rich and detailed data, including qualitative data such as interviews, observations, and documents. This can provide a nuanced understanding of the case and its complexity.
- Holistic perspective: Case study research allows for a holistic perspective of the case, taking into account the various factors, processes, and mechanisms that contribute to the case and its outcomes. This can help to develop a more accurate and comprehensive understanding of the case.
- Theory development: Case study research can help to develop and refine theories and concepts by providing empirical evidence and concrete examples of how they can be applied in real-life situations.
- Practical application: Case study research can inform practice or policy by identifying best practices, lessons learned, or areas for improvement.
- Contextualization: Case study research takes into account the specific context in which the case is situated, which can help to understand how the case is influenced by the social, cultural, and historical factors of its environment.
Limitations of Case Study Research
There are several limitations of case study research, including:
- Limited generalizability : Case studies are typically focused on a single case or a small number of cases, which limits the generalizability of the findings. The unique characteristics of the case may not be applicable to other contexts or populations, which may limit the external validity of the research.
- Biased sampling: Case studies may rely on purposive or convenience sampling, which can introduce bias into the sample selection process. This may limit the representativeness of the sample and the generalizability of the findings.
- Subjectivity: Case studies rely on the interpretation of the researcher, which can introduce subjectivity into the analysis. The researcher’s own biases, assumptions, and perspectives may influence the findings, which may limit the objectivity of the research.
- Limited control: Case studies are typically conducted in naturalistic settings, which limits the control that the researcher has over the environment and the variables being studied. This may limit the ability to establish causal relationships between variables.
- Time-consuming: Case studies can be time-consuming to conduct, as they typically involve a detailed exploration and analysis of a specific case. This may limit the feasibility of conducting multiple case studies or conducting case studies in a timely manner.
- Resource-intensive: Case studies may require significant resources, including time, funding, and expertise. This may limit the ability of researchers to conduct case studies in resource-constrained settings.
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- What Is a Case Study? | Definition, Examples & Methods
What Is a Case Study? | Definition, Examples & Methods
Published on May 8, 2019 by Shona McCombes . Revised on November 20, 2023.
A case study is a detailed study of a specific subject, such as a person, group, place, event, organization, or phenomenon. Case studies are commonly used in social, educational, clinical, and business research.
A case study research design usually involves qualitative methods , but quantitative methods are sometimes also used. Case studies are good for describing , comparing, evaluating and understanding different aspects of a research problem .
Table of contents
When to do a case study, step 1: select a case, step 2: build a theoretical framework, step 3: collect your data, step 4: describe and analyze the case, other interesting articles.
A case study is an appropriate research design when you want to gain concrete, contextual, in-depth knowledge about a specific real-world subject. It allows you to explore the key characteristics, meanings, and implications of the case.
Case studies are often a good choice in a thesis or dissertation . They keep your project focused and manageable when you don’t have the time or resources to do large-scale research.
You might use just one complex case study where you explore a single subject in depth, or conduct multiple case studies to compare and illuminate different aspects of your research problem.
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Once you have developed your problem statement and research questions , you should be ready to choose the specific case that you want to focus on. A good case study should have the potential to:
- Provide new or unexpected insights into the subject
- Challenge or complicate existing assumptions and theories
- Propose practical courses of action to resolve a problem
- Open up new directions for future research
TipIf your research is more practical in nature and aims to simultaneously investigate an issue as you solve it, consider conducting action research instead.
Unlike quantitative or experimental research , a strong case study does not require a random or representative sample. In fact, case studies often deliberately focus on unusual, neglected, or outlying cases which may shed new light on the research problem.
Example of an outlying case studyIn the 1960s the town of Roseto, Pennsylvania was discovered to have extremely low rates of heart disease compared to the US average. It became an important case study for understanding previously neglected causes of heart disease.
However, you can also choose a more common or representative case to exemplify a particular category, experience or phenomenon.
Example of a representative case studyIn the 1920s, two sociologists used Muncie, Indiana as a case study of a typical American city that supposedly exemplified the changing culture of the US at the time.
While case studies focus more on concrete details than general theories, they should usually have some connection with theory in the field. This way the case study is not just an isolated description, but is integrated into existing knowledge about the topic. It might aim to:
- Exemplify a theory by showing how it explains the case under investigation
- Expand on a theory by uncovering new concepts and ideas that need to be incorporated
- Challenge a theory by exploring an outlier case that doesn’t fit with established assumptions
To ensure that your analysis of the case has a solid academic grounding, you should conduct a literature review of sources related to the topic and develop a theoretical framework . This means identifying key concepts and theories to guide your analysis and interpretation.
There are many different research methods you can use to collect data on your subject. Case studies tend to focus on qualitative data using methods such as interviews , observations , and analysis of primary and secondary sources (e.g., newspaper articles, photographs, official records). Sometimes a case study will also collect quantitative data.
Example of a mixed methods case studyFor a case study of a wind farm development in a rural area, you could collect quantitative data on employment rates and business revenue, collect qualitative data on local people’s perceptions and experiences, and analyze local and national media coverage of the development.
The aim is to gain as thorough an understanding as possible of the case and its context.
In writing up the case study, you need to bring together all the relevant aspects to give as complete a picture as possible of the subject.
How you report your findings depends on the type of research you are doing. Some case studies are structured like a standard scientific paper or thesis , with separate sections or chapters for the methods , results and discussion .
Others are written in a more narrative style, aiming to explore the case from various angles and analyze its meanings and implications (for example, by using textual analysis or discourse analysis ).
In all cases, though, make sure to give contextual details about the case, connect it back to the literature and theory, and discuss how it fits into wider patterns or debates.
If you want to know more about statistics , methodology , or research bias , make sure to check out some of our other articles with explanations and examples.
- Normal distribution
- Degrees of freedom
- Null hypothesis
- Discourse analysis
- Control groups
- Mixed methods research
- Non-probability sampling
- Quantitative research
- Ecological validity
Research bias
- Rosenthal effect
- Implicit bias
- Cognitive bias
- Selection bias
- Negativity bias
- Status quo bias
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- Published: 22 November 2022
Single case studies are a powerful tool for developing, testing and extending theories
- Lyndsey Nickels ORCID: orcid.org/0000-0002-0311-3524 1 , 2 ,
- Simon Fischer-Baum ORCID: orcid.org/0000-0002-6067-0538 3 &
- Wendy Best ORCID: orcid.org/0000-0001-8375-5916 4
Nature Reviews Psychology volume 1 , pages 733–747 ( 2022 ) Cite this article
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Psychology embraces a diverse range of methodologies. However, most rely on averaging group data to draw conclusions. In this Perspective, we argue that single case methodology is a valuable tool for developing and extending psychological theories. We stress the importance of single case and case series research, drawing on classic and contemporary cases in which cognitive and perceptual deficits provide insights into typical cognitive processes in domains such as memory, delusions, reading and face perception. We unpack the key features of single case methodology, describe its strengths, its value in adjudicating between theories, and outline its benefits for a better understanding of deficits and hence more appropriate interventions. The unique insights that single case studies have provided illustrate the value of in-depth investigation within an individual. Single case methodology has an important place in the psychologist’s toolkit and it should be valued as a primary research tool.
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The authors thank all of those pioneers of and advocates for single case study research who have mentored, inspired and encouraged us over the years, and the many other colleagues with whom we have discussed these issues.
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Nickels, L., Fischer-Baum, S. & Best, W. Single case studies are a powerful tool for developing, testing and extending theories. Nat Rev Psychol 1 , 733–747 (2022). https://doi.org/10.1038/s44159-022-00127-y
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What Is a Case Study in Psychology?
Categories Research Methods
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A case study is a research method used in psychology to investigate a particular individual, group, or situation in depth . It involves a detailed analysis of the subject, gathering information from various sources such as interviews, observations, and documents.
In a case study, researchers aim to understand the complexities and nuances of the subject under investigation. They explore the individual’s thoughts, feelings, behaviors, and experiences to gain insights into specific psychological phenomena.
This type of research can provide great detail regarding a particular case, allowing researchers to examine rare or unique situations that may not be easily replicated in a laboratory setting. They offer a holistic view of the subject, considering various factors influencing their behavior or mental processes.
By examining individual cases, researchers can generate hypotheses, develop theories, and contribute to the existing body of knowledge in psychology. Case studies are often utilized in clinical psychology, where they can provide valuable insights into the diagnosis, treatment, and outcomes of specific psychological disorders.
Case studies offer a comprehensive and in-depth understanding of complex psychological phenomena, providing researchers with valuable information to inform theory, practice, and future research.
What’s in this article:
Examples of case studies in psychology.
Case studies in psychology provide real-life examples that illustrate psychological concepts and theories. They offer a detailed analysis of specific individuals, groups, or situations, allowing researchers to understand psychological phenomena better. Here are a few examples of case studies in psychology:
Phineas Gage
This famous case study explores the effects of a traumatic brain injury on personality and behavior. A railroad construction worker, Phineas Gage survived a severe brain injury that dramatically changed his personality.
This case study helped researchers understand the role of the frontal lobe in personality and social behavior.
Little Albert
Conducted by behaviorist John B. Watson, the Little Albert case study aimed to demonstrate classical conditioning. In this study, a young boy named Albert was conditioned to fear a white rat by pairing it with a loud noise.
This case study provided insights into the process of fear conditioning and the impact of early experiences on behavior.
Genie’s case study focused on a girl who experienced extreme social isolation and deprivation during her childhood. This study shed light on the critical period for language development and the effects of severe neglect on cognitive and social functioning.
These case studies highlight the value of in-depth analysis and provide researchers with valuable insights into various psychological phenomena. By examining specific cases, psychologists can uncover unique aspects of human behavior and contribute to the field’s knowledge and understanding.
Types of Case Studies in Psychology
Psychology case studies come in various forms, each serving a specific purpose in research and analysis. Understanding the different types of case studies can help researchers choose the most appropriate approach.
Descriptive Case Studies
These studies aim to describe a particular individual, group, or situation. Researchers use descriptive case studies to explore and document specific characteristics, behaviors, or experiences.
For example, a descriptive case study may examine the life and experiences of a person with a rare psychological disorder.
Exploratory Case Studies
Exploratory case studies are conducted when there is limited existing knowledge or understanding of a particular phenomenon. Researchers use these studies to gather preliminary information and generate hypotheses for further investigation.
Exploratory case studies often involve in-depth interviews, observations, and analysis of existing data.
Explanatory Case Studies
These studies aim to explain the causal relationship between variables or events. Researchers use these studies to understand why certain outcomes occur and to identify the underlying mechanisms or processes.
Explanatory case studies often involve comparing multiple cases to identify common patterns or factors.
Instrumental Case Studies
Instrumental case studies focus on using a particular case to gain insights into a broader issue or theory. Researchers select cases that are representative or critical in understanding the phenomenon of interest.
Instrumental case studies help researchers develop or refine theories and contribute to the general knowledge in the field.
By utilizing different types of case studies, psychologists can explore various aspects of human behavior and gain a deeper understanding of psychological phenomena. Each type of case study offers unique advantages and contributes to the overall body of knowledge in psychology.
How to Collect Data for a Case Study
There are a variety of ways that researchers gather the data they need for a case study. Some sources include:
- Directly observing the subject
- Collecting information from archival records
- Conducting interviews
- Examining artifacts related to the subject
- Examining documents that provide information about the subject
The way that this information is collected depends on the nature of the study itself
Prospective Research
In a prospective study, researchers observe the individual or group in question. These observations typically occur over a period of time and may be used to track the progress or progression of a phenomenon or treatment.
Retrospective Research
A retrospective case study involves looking back on a phenomenon. Researchers typically look at the outcome and then gather data to help them understand how the individual or group reached that point.
Benefits of a Case Study
Case studies offer several benefits in the field of psychology. They provide researchers with a unique opportunity to delve deep into specific individuals, groups, or situations, allowing for a comprehensive understanding of complex phenomena.
Case studies offer valuable insights that can inform theory development and practical applications by examining real-life examples.
Complex Data
One of the key benefits of case studies is their ability to provide complex and detailed data. Researchers can gather in-depth information through various methods such as interviews, observations, and analysis of existing records.
This depth of data allows for a thorough exploration of the factors influencing behavior and the underlying mechanisms at play.
Unique Data
Additionally, case studies allow researchers to study rare or unique cases that may not be easily replicated in experimental settings. This enables the examination of phenomena that are difficult to study through other psychology research methods .
By focusing on specific cases, researchers can uncover patterns, identify causal relationships, and generate hypotheses for further investigation.
General Knowledge
Case studies can also contribute to the general knowledge of psychology by providing real-world examples that can be used to support or challenge existing theories. They offer a bridge between theory and practice, allowing researchers to apply theoretical concepts to real-life situations and vice versa.
Case studies offer a range of benefits in psychology, including providing rich and detailed data, studying unique cases, and contributing to theory development. These benefits make case studies valuable in understanding human behavior and psychological phenomena.
Limitations of a Case Study
While case studies offer numerous benefits in the field of psychology, they also have certain limitations that researchers need to consider. Understanding these limitations is crucial for interpreting the findings and generalizing the results.
Lack of Generalizability
One limitation of case studies is the issue of generalizability. Since case studies focus on specific individuals, groups, and situations, applying the findings to a larger population can be challenging. The unique characteristics and circumstances of the case may not be representative of the broader population, making it difficult to draw universal conclusions.
Researcher bias is another possible limitation. The researcher’s subjective interpretation and personal beliefs can influence the data collection, analysis, and interpretation process. This bias can affect the objectivity and reliability of the findings, raising questions about the study’s validity.
Case studies are often time-consuming and resource-intensive. They require extensive data collection, analysis, and interpretation, which can be lengthy. This can limit the number of cases that can be studied and may result in a smaller sample size, reducing the study’s statistical power.
Case studies are retrospective in nature, relying on past events and experiences. This reliance on memory and self-reporting can introduce recall bias and inaccuracies in the data. Participants may forget or misinterpret certain details, leading to incomplete or unreliable information.
Despite these limitations, case studies remain a valuable research tool in psychology. By acknowledging and addressing these limitations, researchers can enhance the validity and reliability of their findings, contributing to a more comprehensive understanding of human behavior and psychological phenomena.
While case studies have limitations, they remain valuable when researchers acknowledge and address these concerns, leading to more reliable and valid findings in psychology.
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2.2 Approaches to Research
Learning objectives.
By the end of this section, you will be able to:
- Describe the different research methods used by psychologists
- Discuss the strengths and weaknesses of case studies, naturalistic observation, surveys, and archival research
- Compare longitudinal and cross-sectional approaches to research
- Compare and contrast correlation and causation
There are many research methods available to psychologists in their efforts to understand, describe, and explain behavior and the cognitive and biological processes that underlie it. Some methods rely on observational techniques. Other approaches involve interactions between the researcher and the individuals who are being studied—ranging from a series of simple questions to extensive, in-depth interviews—to well-controlled experiments.
Each of these research methods has unique strengths and weaknesses, and each method may only be appropriate for certain types of research questions. For example, studies that rely primarily on observation produce incredible amounts of information, but the ability to apply this information to the larger population is somewhat limited because of small sample sizes. Survey research, on the other hand, allows researchers to easily collect data from relatively large samples. While this allows for results to be generalized to the larger population more easily, the information that can be collected on any given survey is somewhat limited and subject to problems associated with any type of self-reported data. Some researchers conduct archival research by using existing records. While this can be a fairly inexpensive way to collect data that can provide insight into a number of research questions, researchers using this approach have no control on how or what kind of data was collected. All of the methods described thus far are correlational in nature. This means that researchers can speak to important relationships that might exist between two or more variables of interest. However, correlational data cannot be used to make claims about cause-and-effect relationships.
Correlational research can find a relationship between two variables, but the only way a researcher can claim that the relationship between the variables is cause and effect is to perform an experiment. In experimental research, which will be discussed later in this chapter, there is a tremendous amount of control over variables of interest. While this is a powerful approach, experiments are often conducted in artificial settings. This calls into question the validity of experimental findings with regard to how they would apply in real-world settings. In addition, many of the questions that psychologists would like to answer cannot be pursued through experimental research because of ethical concerns.
Clinical or Case Studies
In 2011, the New York Times published a feature story on Krista and Tatiana Hogan, Canadian twin girls. These particular twins are unique because Krista and Tatiana are conjoined twins, connected at the head. There is evidence that the two girls are connected in a part of the brain called the thalamus, which is a major sensory relay center. Most incoming sensory information is sent through the thalamus before reaching higher regions of the cerebral cortex for processing.
Link to Learning
Watch this CBC video about Krista's and Tatiana's lives to learn more.
The implications of this potential connection mean that it might be possible for one twin to experience the sensations of the other twin. For instance, if Krista is watching a particularly funny television program, Tatiana might smile or laugh even if she is not watching the program. This particular possibility has piqued the interest of many neuroscientists who seek to understand how the brain uses sensory information.
These twins represent an enormous resource in the study of the brain, and since their condition is very rare, it is likely that as long as their family agrees, scientists will follow these girls very closely throughout their lives to gain as much information as possible (Dominus, 2011).
Over time, it has become clear that while Krista and Tatiana share some sensory experiences and motor control, they remain two distinct individuals, which provides invaluable insight for researchers interested in the mind and the brain (Egnor, 2017).
In observational research, scientists are conducting a clinical or case study when they focus on one person or just a few individuals. Indeed, some scientists spend their entire careers studying just 10–20 individuals. Why would they do this? Obviously, when they focus their attention on a very small number of people, they can gain a precious amount of insight into those cases. The richness of information that is collected in clinical or case studies is unmatched by any other single research method. This allows the researcher to have a very deep understanding of the individuals and the particular phenomenon being studied.
If clinical or case studies provide so much information, why are they not more frequent among researchers? As it turns out, the major benefit of this particular approach is also a weakness. As mentioned earlier, this approach is often used when studying individuals who are interesting to researchers because they have a rare characteristic. Therefore, the individuals who serve as the focus of case studies are not like most other people. If scientists ultimately want to explain all behavior, focusing attention on such a special group of people can make it difficult to generalize any observations to the larger population as a whole. Generalizing refers to the ability to apply the findings of a particular research project to larger segments of society. Again, case studies provide enormous amounts of information, but since the cases are so specific, the potential to apply what’s learned to the average person may be very limited.
Naturalistic Observation
If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances are that almost everyone in the classroom will raise their hand, but do you think hand washing after every trip to the restroom is really that universal?
This is very similar to the phenomenon mentioned earlier in this chapter: many individuals do not feel comfortable answering a question honestly. But if we are committed to finding out the facts about hand washing, we have other options available to us.
Suppose we send a classmate into the restroom to actually watch whether everyone washes their hands after using the restroom. Will our observer blend into the restroom environment by wearing a white lab coat, sitting with a clipboard, and staring at the sinks? We want our researcher to be inconspicuous—perhaps standing at one of the sinks pretending to put in contact lenses while secretly recording the relevant information. This type of observational study is called naturalistic observation : observing behavior in its natural setting. To better understand peer exclusion, Suzanne Fanger collaborated with colleagues at the University of Texas to observe the behavior of preschool children on a playground. How did the observers remain inconspicuous over the duration of the study? They equipped a few of the children with wireless microphones (which the children quickly forgot about) and observed while taking notes from a distance. Also, the children in that particular preschool (a “laboratory preschool”) were accustomed to having observers on the playground (Fanger, Frankel, & Hazen, 2012).
It is critical that the observer be as unobtrusive and as inconspicuous as possible: when people know they are being watched, they are less likely to behave naturally. If you have any doubt about this, ask yourself how your driving behavior might differ in two situations: In the first situation, you are driving down a deserted highway during the middle of the day; in the second situation, you are being followed by a police car down the same deserted highway ( Figure 2.7 ).
It should be pointed out that naturalistic observation is not limited to research involving humans. Indeed, some of the best-known examples of naturalistic observation involve researchers going into the field to observe various kinds of animals in their own environments. As with human studies, the researchers maintain their distance and avoid interfering with the animal subjects so as not to influence their natural behaviors. Scientists have used this technique to study social hierarchies and interactions among animals ranging from ground squirrels to gorillas. The information provided by these studies is invaluable in understanding how those animals organize socially and communicate with one another. The anthropologist Jane Goodall , for example, spent nearly five decades observing the behavior of chimpanzees in Africa ( Figure 2.8 ). As an illustration of the types of concerns that a researcher might encounter in naturalistic observation, some scientists criticized Goodall for giving the chimps names instead of referring to them by numbers—using names was thought to undermine the emotional detachment required for the objectivity of the study (McKie, 2010).
The greatest benefit of naturalistic observation is the validity , or accuracy, of information collected unobtrusively in a natural setting. Having individuals behave as they normally would in a given situation means that we have a higher degree of ecological validity, or realism, than we might achieve with other research approaches. Therefore, our ability to generalize the findings of the research to real-world situations is enhanced. If done correctly, we need not worry about people or animals modifying their behavior simply because they are being observed. Sometimes, people may assume that reality programs give us a glimpse into authentic human behavior. However, the principle of inconspicuous observation is violated as reality stars are followed by camera crews and are interviewed on camera for personal confessionals. Given that environment, we must doubt how natural and realistic their behaviors are.
The major downside of naturalistic observation is that they are often difficult to set up and control. In our restroom study, what if you stood in the restroom all day prepared to record people’s hand washing behavior and no one came in? Or, what if you have been closely observing a troop of gorillas for weeks only to find that they migrated to a new place while you were sleeping in your tent? The benefit of realistic data comes at a cost. As a researcher you have no control of when (or if) you have behavior to observe. In addition, this type of observational research often requires significant investments of time, money, and a good dose of luck.
Sometimes studies involve structured observation. In these cases, people are observed while engaging in set, specific tasks. An excellent example of structured observation comes from Strange Situation by Mary Ainsworth (you will read more about this in the chapter on lifespan development). The Strange Situation is a procedure used to evaluate attachment styles that exist between an infant and caregiver. In this scenario, caregivers bring their infants into a room filled with toys. The Strange Situation involves a number of phases, including a stranger coming into the room, the caregiver leaving the room, and the caregiver’s return to the room. The infant’s behavior is closely monitored at each phase, but it is the behavior of the infant upon being reunited with the caregiver that is most telling in terms of characterizing the infant’s attachment style with the caregiver.
Another potential problem in observational research is observer bias . Generally, people who act as observers are closely involved in the research project and may unconsciously skew their observations to fit their research goals or expectations. To protect against this type of bias, researchers should have clear criteria established for the types of behaviors recorded and how those behaviors should be classified. In addition, researchers often compare observations of the same event by multiple observers, in order to test inter-rater reliability : a measure of reliability that assesses the consistency of observations by different observers.
Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally ( Figure 2.9 ). Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
Surveys allow researchers to gather data from larger samples than may be afforded by other research methods . A sample is a subset of individuals selected from a population , which is the overall group of individuals that the researchers are interested in. Researchers study the sample and seek to generalize their findings to the population. Generally, researchers will begin this process by calculating various measures of central tendency from the data they have collected. These measures provide an overall summary of what a typical response looks like. There are three measures of central tendency: mode, median, and mean. The mode is the most frequently occurring response, the median lies at the middle of a given data set, and the mean is the arithmetic average of all data points. Means tend to be most useful in conducting additional analyses like those described below; however, means are very sensitive to the effects of outliers, and so one must be aware of those effects when making assessments of what measures of central tendency tell us about a data set in question.
There is both strength and weakness of the survey in comparison to case studies. By using surveys, we can collect information from a larger sample of people. A larger sample is better able to reflect the actual diversity of the population, thus allowing better generalizability. Therefore, if our sample is sufficiently large and diverse, we can assume that the data we collect from the survey can be generalized to the larger population with more certainty than the information collected through a case study. However, given the greater number of people involved, we are not able to collect the same depth of information on each person that would be collected in a case study.
Another potential weakness of surveys is something we touched on earlier in this chapter: People don't always give accurate responses. They may lie, misremember, or answer questions in a way that they think makes them look good. For example, people may report drinking less alcohol than is actually the case.
Any number of research questions can be answered through the use of surveys. One real-world example is the research conducted by Jenkins, Ruppel, Kizer, Yehl, and Griffin (2012) about the backlash against the US Arab-American community following the terrorist attacks of September 11, 2001. Jenkins and colleagues wanted to determine to what extent these negative attitudes toward Arab-Americans still existed nearly a decade after the attacks occurred. In one study, 140 research participants filled out a survey with 10 questions, including questions asking directly about the participant’s overt prejudicial attitudes toward people of various ethnicities. The survey also asked indirect questions about how likely the participant would be to interact with a person of a given ethnicity in a variety of settings (such as, “How likely do you think it is that you would introduce yourself to a person of Arab-American descent?”). The results of the research suggested that participants were unwilling to report prejudicial attitudes toward any ethnic group. However, there were significant differences between their pattern of responses to questions about social interaction with Arab-Americans compared to other ethnic groups: they indicated less willingness for social interaction with Arab-Americans compared to the other ethnic groups. This suggested that the participants harbored subtle forms of prejudice against Arab-Americans, despite their assertions that this was not the case (Jenkins et al., 2012).
Archival Research
Some researchers gain access to large amounts of data without interacting with a single research participant. Instead, they use existing records to answer various research questions. This type of research approach is known as archival research . Archival research relies on looking at past records or data sets to look for interesting patterns or relationships.
For example, a researcher might access the academic records of all individuals who enrolled in college within the past ten years and calculate how long it took them to complete their degrees, as well as course loads, grades, and extracurricular involvement. Archival research could provide important information about who is most likely to complete their education, and it could help identify important risk factors for struggling students ( Figure 2.10 ).
In comparing archival research to other research methods, there are several important distinctions. For one, the researcher employing archival research never directly interacts with research participants. Therefore, the investment of time and money to collect data is considerably less with archival research. Additionally, researchers have no control over what information was originally collected. Therefore, research questions have to be tailored so they can be answered within the structure of the existing data sets. There is also no guarantee of consistency between the records from one source to another, which might make comparing and contrasting different data sets problematic.
Longitudinal and Cross-Sectional Research
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again at age 40.
Another approach is cross-sectional research. In cross-sectional research , a researcher compares multiple segments of the population at the same time. Using the dietary habits example above, the researcher might directly compare different groups of people by age. Instead of studying a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old individuals. While cross-sectional research requires a shorter-term investment, it is also limited by differences that exist between the different generations (or cohorts) that have nothing to do with age per se, but rather reflect the social and cultural experiences of different generations of individuals that make them different from one another.
To illustrate this concept, consider the following survey findings. In recent years there has been significant growth in the popular support of same-sex marriage. Many studies on this topic break down survey participants into different age groups. In general, younger people are more supportive of same-sex marriage than are those who are older (Jones, 2013). Does this mean that as we age we become less open to the idea of same-sex marriage, or does this mean that older individuals have different perspectives because of the social climates in which they grew up? Longitudinal research is a powerful approach because the same individuals are involved in the research project over time, which means that the researchers need to be less concerned with differences among cohorts affecting the results of their study.
Often longitudinal studies are employed when researching various diseases in an effort to understand particular risk factors. Such studies often involve tens of thousands of individuals who are followed for several decades. Given the enormous number of people involved in these studies, researchers can feel confident that their findings can be generalized to the larger population. The Cancer Prevention Study-3 (CPS-3) is one of a series of longitudinal studies sponsored by the American Cancer Society aimed at determining predictive risk factors associated with cancer. When participants enter the study, they complete a survey about their lives and family histories, providing information on factors that might cause or prevent the development of cancer. Then every few years the participants receive additional surveys to complete. In the end, hundreds of thousands of participants will be tracked over 20 years to determine which of them develop cancer and which do not.
Clearly, this type of research is important and potentially very informative. For instance, earlier longitudinal studies sponsored by the American Cancer Society provided some of the first scientific demonstrations of the now well-established links between increased rates of cancer and smoking (American Cancer Society, n.d.) ( Figure 2.11 ).
As with any research strategy, longitudinal research is not without limitations. For one, these studies require an incredible time investment by the researcher and research participants. Given that some longitudinal studies take years, if not decades, to complete, the results will not be known for a considerable period of time. In addition to the time demands, these studies also require a substantial financial investment. Many researchers are unable to commit the resources necessary to see a longitudinal project through to the end.
Research participants must also be willing to continue their participation for an extended period of time, and this can be problematic. People move, get married and take new names, get ill, and eventually die. Even without significant life changes, some people may simply choose to discontinue their participation in the project. As a result, the attrition rates, or reduction in the number of research participants due to dropouts, in longitudinal studies are quite high and increase over the course of a project. For this reason, researchers using this approach typically recruit many participants fully expecting that a substantial number will drop out before the end. As the study progresses, they continually check whether the sample still represents the larger population, and make adjustments as necessary.
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What Is A Case Study In Psychology?
When people think about psychology studies, they are most likely to think about studies involving several participants split across a number of experimental and control groups. Studies like this are a good way to investigate the effect of a certain treatment or activity, but they are not always the best option. For example, if a scientist is interested in a specific rare disease, they cannot always find enough people with that disease to participate in a useful study. Similarly, one cannot give a group of participants a rare disease (for obvious reasons) and compare them to a group of participants without that disease. For situations like this, there are case studies.
What is a case study?
A case study is, as the name suggests, a study of a single case. For example, if someone has an extremely rare disease, a group of scientists might conduct a case study of that disease rather than attempting to set up an experimental study. In that case study, the researchers might test the effectiveness of a certain drug in treating that disease and carefully document the response of that participant over time.
Of course, the results seen in that one participant will not necessarily apply to all people with that rare disease. However, if the case study shows promising results, that treatment can then be tested in a larger experimental study. If it does not, it indicates that the treatment is not necessarily effective, at least in people that are similar to the original participant in the case study.
Why are case studies useful in psychology?
When people are still learning about psychology, they might think that group studies showing group effects are always better than individual studies showing individual effects. Of course, there is some truth to this notion, as results obtained from a large number of people are likely to be more generalizable than results obtained from a single person. However, this does not mean that we should discount the importance of individual effects.
Consider the following: In studies looking solely at group effects, individual effects can be masked. In other words, certain statistical quirks can lead to the appearance of a group effect despite the fact that no single individual showed that effect. While this is rare, it is possible. For this reason, it is important to consider individual effects. That is why, even in experimental studies examining groups, it can be useful to examine individual effects within that group. This underlines the value of case studies.
Wrapping up
At the end of the day, there are many good reasons that experimental studies examining groups are the most common types of psychological studies. However, case studies are also extremely valuable, particularly when group experiments are less feasible. Just as psychology is a large topic encompassing a wide variety of factors, both case studies and experimental group studies should be used in the larger overall strategy of psychology research.
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Descriptive Research in Psychology
Sometimes you need to dig deeper than the pure statistics
John Loeppky is a freelance journalist based in Regina, Saskatchewan, Canada, who has written about disability and health for outlets of all kinds.
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Types of Descriptive Research and the Methods Used
- Advantages & Limitations of Descriptive Research
Best Practices for Conducting Descriptive Research
Descriptive research is one of the key tools needed in any psychology researcher’s toolbox in order to create and lead a project that is both equitable and effective. Because psychology, as a field, loves definitions, let’s start with one. The University of Minnesota’s Introduction to Psychology defines this type of research as one that is “...designed to provide a snapshot of the current state of affairs.” That's pretty broad, so what does that mean in practice? Dr. Heather Derry-Vick (PhD) , an assistant professor in psychiatry at Hackensack Meridian School of Medicine, helps us put it into perspective. "Descriptive research really focuses on defining, understanding, and measuring a phenomenon or an experience," she says. "Not trying to change a person's experience or outcome, or even really looking at the mechanisms for why that might be happening, but more so describing an experience or a process as it unfolds naturally.”
Within the descriptive research methodology there are multiple types, including the following.
Descriptive Survey Research
This involves going beyond a typical tool like a LIkert Scale —where you typically place your response to a prompt on a one to five scale. We already know that scales like this can be ineffective, particularly when studying pain, for example.
When that's the case, using a descriptive methodology can help dig deeper into how a person is thinking, feeling, and acting rather than simply quantifying it in a way that might be unclear or confusing.
Descriptive Observational Research
Think of observational research like an ethically-focused version of people-watching. One example would be watching the patterns of children on a playground—perhaps when looking at a concept like risky play or seeking to observe social behaviors between children of different ages.
Descriptive Case Study Research
A descriptive approach to a case study is akin to a biography of a person, honing in on the experiences of a small group to extrapolate to larger themes. We most commonly see descriptive case studies when those in the psychology field are using past clients as an example to illustrate a point.
Correlational Descriptive Research
While descriptive research is often about the here and now, this form of the methodology allows researchers to make connections between groups of people. As an example from her research, Derry-Vick says she uses this method to identify how gender might play a role in cancer scan anxiety, aka scanxiety.
Dr. Derry-Vick's research uses surveys and interviews to get a sense of how cancer patients are feeling and what they are experiencing both in the course of their treatment and in the lead-up to their next scan, which can be a significant source of stress.
David Marlon, PsyD, MBA , who works as a clinician and as CEO at Vegas Stronger, and whose research focused on leadership styles at community-based clinics, says that using descriptive research allowed him to get beyond the numbers.
In his case, that includes data points like how many unhoused people found stable housing over a certain period or how many people became drug-free—and identify the reasons for those changes.
Those [data points] are some practical, quantitative tools that are helpful. But when I question them on how safe they feel, when I question them on the depth of the bond or the therapeutic alliance, when I talk to them about their processing of traumas, wellbeing...these are things that don't really fall on to a yes, no, or even on a Likert scale.
For the portion of his thesis that was focused on descriptive research, Marlon used semi-structured interviews to look at the how and the why of transformational leadership and its impact on clinics’ clients and staff.
Advantages & Limitations of Descriptive Research
So, if the advantages of using descriptive research include that it centers the research participants, gives us a clear picture of what is happening to a person in a particular moment, and gives us very nuanced insights into how a particular situation is being perceived by the very person affected, are there drawbacks? Yes, there are. Dr. Derry-Vick says that it’s important to keep in mind that just because descriptive research tells us something is happening doesn’t mean it necessarily leads us to the resolution of a given problem.
I think that, by design, the descriptive research might not tell you why a phenomenon is happening. So it might tell you, very well, how often it's happening, or what the levels are, or help you understand it in depth. But that may or may not always tell you information about the causes or mechanisms for why something is happening.
Another limitation she identifies is that it also can’t tell you, on its own, whether a particular treatment pathway is having the desired effect.
“Descriptive research in and of itself can't really tell you whether a specific approach is going to be helpful until you take in a different approach to actually test it.”
Marlon, who believes in a multi-disciplinary approach, says that his subfield—addictions—is one where descriptive research had its limits, but helps readers go beyond preconceived notions of what addictions treatment looks and feels like when it is effective. “If we talked to and interviewed and got descriptive information from the clinicians and the clients, a much more precise picture would be painted, showing the need for a client's specific multidisciplinary approach augmented with a variety of modalities," he says. "If you tried to look at my discipline in a pure quantitative approach , it wouldn't begin to tell the real story.”
Because you’re controlling far fewer variables than other forms of research, it’s important to identify whether those you are describing, your study participants, should be informed that they are part of a study.
For example, if you’re observing and describing who is buying what in a grocery store to identify patterns, then you might not need to identify yourself.
However, if you’re asking people about their fear of certain treatment, or how their marginalized identities impact their mental health in a particular way, there is far more of a pressure to think deeply about how you, as the researcher, are connected to the people you are researching.
Many descriptive research projects use interviews as a form of research gathering and, as a result, descriptive research that is focused on this type of data gathering also has ethical and practical concerns attached. Thankfully, there are plenty of guides from established researchers about how to best conduct these interviews and/or formulate surveys .
While descriptive research has its limits, it is commonly used by researchers to get a clear vantage point on what is happening in a given situation.
Tools like surveys, interviews, and observation are often employed to dive deeper into a given issue and really highlight the human element in psychological research. At its core, descriptive research is rooted in a collaborative style that allows deeper insights when used effectively.
University of Minnesota. Introduction to Psychology .
By John Loeppky John Loeppky is a freelance journalist based in Regina, Saskatchewan, Canada, who has written about disability and health for outlets of all kinds.
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Case study definition
Case study, a term which some of you may know from the "Case Study of Vanitas" anime and manga, is a thorough examination of a particular subject, such as a person, group, location, occasion, establishment, phenomena, etc. They are most frequently utilized in research of business, medicine, education and social behaviour. There are a different types of case studies that researchers might use:
• Collective case studies
• Descriptive case studies
• Explanatory case studies
• Exploratory case studies
• Instrumental case studies
• Intrinsic case studies
Case studies are usually much more sophisticated and professional than regular essays and courseworks, as they require a lot of verified data, are research-oriented and not necessarily designed to be read by the general public.
How to write a case study?
It very much depends on the topic of your case study, as a medical case study and a coffee business case study have completely different sources, outlines, target demographics, etc. But just for this example, let's outline a coffee roaster case study. Firstly, it's likely going to be a problem-solving case study, like most in the business and economics field are. Here are some tips for these types of case studies:
• Your case scenario should be precisely defined in terms of your unique assessment criteria.
• Determine the primary issues by analyzing the scenario. Think about how they connect to the main ideas and theories in your piece.
• Find and investigate any theories or methods that might be relevant to your case.
• Keep your audience in mind. Exactly who are your stakeholder(s)? If writing a case study on coffee roasters, it's probably gonna be suppliers, landlords, investors, customers, etc.
• Indicate the best solution(s) and how they should be implemented. Make sure your suggestions are grounded in pertinent theories and useful resources, as well as being realistic, practical, and attainable.
• Carefully proofread your case study. Keep in mind these four principles when editing: clarity, honesty, reality and relevance.
Are there any online services that could write a case study for me?
Luckily, there are!
We completely understand and have been ourselves in a position, where we couldn't wrap our head around how to write an effective and useful case study, but don't fear - our service is here.
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Clinical Case Studies in Psychoanalytic and Psychodynamic Treatment
This manuscript provides a review of the clinical case study within the field of psychoanalytic and psychodynamic treatment. The method has been contested for methodological reasons and because it would contribute to theoretical pluralism in the field. We summarize how the case study method is being applied in different schools of psychoanalysis, and we clarify the unique strengths of this method and areas for improvement. Finally, based on the literature and on our own experience with case study research, we come to formulate nine guidelines for future case study authors: (1) basic information to include, (2) clarification of the motivation to select a particular patient, (3) information about informed consent and disguise, (4) patient background and context of referral or self-referral, (5) patient's narrative, therapist's observations and interpretations, (6) interpretative heuristics, (7) reflexivity and counter-transference, (8) leaving room for interpretation, and (9) answering the research question, and comparison with other cases.
Introduction
Psychoanalysis has always been, according to its inventor, both a research endeavor and a therapeutic endeavor. Furthermore it is clear from Freud's autobiography that he prioritized the research aspect; he did not become a doctor because he wished to cure people in ill health (Freud, 2001 [1925] ). His invention of the psychoanalytic approach to therapy, involving the patient lying down and associating freely, served a research purpose as much as a therapeutic purpose. Through free association, he would be able to gain unique insight in the human mind. Next, he had to find a format to report on his findings, and this would be the case study. The case study method already existed in medicine (Forrester, 2016 ), but Freud adjusted it considerably. Case studies in medical settings were more like case files, in which the patient was described or reduced to a number of medical categories: the patient became a case of some particular ailment (Forrester, 2016 ). In Freud's hands, the case study developed into Kranken Geschichten in which the current pathology of the patient is related to the whole of his life, sometimes even over generations.
Although Freud's case studies have demonstrably provided data for generations of research by analysts (Midgley, 2006a ) and various scholars (Pletsch, 1982 ; Sealey, 2011 ; Damousi et al., 2015 ), the method of the case study has become very controversial. According to Midgley ( 2006b ), objections against the case study method can be grouped into three arguments. First there is the data problem: case studies provide no objective clinical data (Widlöcher, 1994 ), they only report on what went right and disregard any confusion or mistakes (Spence, 2001 ). Second, there is the data analysis problem: the way in which the observations of the case study are analyzed lack validity; case studies confirm what we already know (Spence, 2001 ). Some go even so far to say that they are purely subjective: Michels calls case studies the “crystallization of the analyst's countertransference” (Michels, 2000 , p. 373). Thirdly, there is the generalizability problem: it is not possible to gain generalizable insight from case studies. Reading, writing and presenting case studies has been described as being a group ritual to affirm analysts in their professional identity, rather than a research method (Widlöcher, 1994 ).
These criticisms stand in contrast to the respect gained by the case study method in the last two decades. Since the 1990s there has been an increasing number of psychoanalytic and psychodynamic clinical case study and empirical case studies being published in scientific journals (Desmet et al., 2013 ; Cornelis et al., in press ). It has also been signaled that the case study method is being revived more broadly in the social sciences. In the most recent, fifth edition of his seminal book on case study research, Yinn ( 2014 ) includes a figure showing the steady increase of the frequency with which the term “case study research” appears in published books in the period from 1980 to 2008.
KEY CONCEPT 1
Clinical case study.
A clinical case study is a narrative report by the therapist of what happened during a therapy together with the therapist's interpretations of what happened. It is possible that certain (semi)-structured assessment instruments, such as a questionnaire or a diagnostic interview are included in clinical case studies, yet it is still the therapist that uses these, interprets and discusses them.
KEY CONCEPT 2
Empirical case studies.
In an empirical case study data are gathered from different sources (e.g., self-report, observation,…) and there is a research team involved in the analyses of the data. This study can take place either in a naturalistic setting (systematic case study) or in a controlled experimental environment (single-case experiment).
In addition to the controversy about the case study method, psychoanalysis has developed into a fragmented discipline. The different psychoanalytic schools share Freud's idea of the unconscious mind, but they focus on different aspects in his theoretical work. Some of the schools still operate under the wings of the International Psychoanalytic Association, while others have established their own global association. Each school is linked to one or several key psychoanalysts who have developed their own version of psychoanalysis. Each psychoanalytic school has a different set of theories but there are also differences in the training of new psychoanalysts and in the therapeutic techniques that are applied by its proponents.
Based on this heterogeneity of perspectives in psychoanalysis, a research group around the Single Case Archive investigated the current status of case study research in psychoanalysis (Willemsen et al., 2015a ). They were particularly interested to know more about the output and methodology of case studies within the different psychoanalytic schools.
KEY CONCEPT 3
Single case archive.
The Single Case Archive is an online archive of published clinical and empirical case studies in the field of psychotherapy ( http://www.singlecasearchive.com ). The objective of this archive is to facilitate the study of case studies for research, clinical, and teaching purposes. The online search engine allows the identification of sets of cases in function of specific clinical or research questions.
Our survey among case study authors about their psychoanalytic school
In order to investigate and compare case studies from different psychoanalytic schools, we first had to find a way of identifying to which school the case studies belonged. This is very difficult to judge straightforwardly on the basis of the published case study: the fact that someone cites Winnicott or makes transference interpretations doesn't place him or her firmly within a particular psychoanalytic school. The best approach was to ask the authors themselves. Therefore, we contacted all case study authors included in the Single Case Archive (since the time of our original study in 2013, the archive has expanded). We sent emails and letters in different languages to 445 authors and received 200 replies (45% response rate). We asked them the following question: “ At the time you were working on this specific case, to which psychoanalytic school(s) did you feel most attached? ” Each author was given 10 options: (1) Self Psychology (1.a Theory of Heinz Kohut, 1.b Post-Kohutian Theories, 1.c Intersubjective psychoanalysis), (2) Relational psychoanalysis, (3) Interpersonal psychoanalysis, (4) Object relational psychoanalysis (4.a Theory of Melanie Klein, 4.b Theory of Donald W. Winnicott, 4.c Theory of Wilfred R. Bion, 4.d Theory of Otto F. Kernberg), (5) Ego psychology (or) “Classic psychoanalysis” (5.a Theories of Sigmund Freud, 5.b Ego psychology, 5.c Post-Ego psychology), (6) Lacanian psychoanalysis, (7) Jungian psychoanalysis, (8) National Psychological Association for Psychoanalysis (NPAP) related theory, (9) Modern psychoanalysis related to the Boston or New York Graduate School of Psychoanalysis (BGSP/NYGSP), (10) Other. Respondents could indicate one or more options.
Analysis of the responses indicated that the two oldest schools in psychoanalysis, Object-relations psychoanalysis and Ego psychology, dominate the field in relation to case studies that are published in scientific journals. More than three quarters of all case study authors (77%) reported these schools of thought to be the ones with which they considered themselves most affiliated. Three more recent schools were also well-represented among case studies: Self Psychology, Relational Psychoanalysis, and Interpersonal Psychoanalysis. Lacanian Psychoanalysis, Jungian Psychoanalysis, NPAP related Theory and Modern Psychoanalysis related to the BGSP/NYGSP were only rarely mentioned by case study authors as their school of thought. This does not mean that clinicians or researchers within these latter schools do not write any case studies. It only means that they publish few case studies in the scientific journals included in ISI-ranked journals indexed in Web of Science. But they might have their own journals in which they publish clinical material.
Our survey demonstrated that the majority of case study authors (59%) feel attached to more than one psychoanalytic school. This was in fact one of the surprising findings in our study. It seems that theoretical pluralism is more rule than exception among case study authors. There were some differences between the psychoanalytic schools though in terms of pluralism. Case study authors who feel attached to Self Psychology and Interpersonal Psychoanalysis are the most pluralistic: 92 and 86%, respectively also affiliate with one or more other psychoanalytic schools. Case study authors who feel attached to Object Relations Psychoanalysis are the “purest” group: only 69% of them affiliate with one or more other psychoanalytic schools.
KEY CONCEPT 4
Theoretical pluralism.
A situation in which several, potentially contradicting, theories coexist. It is sometimes interpreted as a sign of the immaturity of a science, under the assumption that a mature science should arrive at one single coherent truth. Others see theoretical pluralism as unavoidable for any applied discipline, as each theory can highlight only part of reality.
Psychoanalytic pluralism and the case study method
We were not really surprised to find that Object Relations psychoanalysis and Ego psychology were the most dominant schools in the field of psychoanalytic case studies, as they are very present in European, Latin-American and North-American psychoanalytic institutes. We were more surprised to find such a high degree of pluralism among these case study authors, given the fact that disputes between analysts from different schools can be quite ardent (Green, 2005 ; Summers, 2008 ). Others have compared the situation of psychoanalytic schools with the Tower of Babel (Steiner, 1994 ).
It has been argued that the case study method contributes to the degree of theoretical pluralism within psychoanalysis. The reason for this is situated in the reasoning style at the basis of case study research (Chiesa, 2010 ; Fonagy, 2015 ). The author of a psychoanalytic case study makes a number of observations about the patient within the context of the treatment, and then moves to a conclusion about the patient's psychodynamics in general. The conclusion he or she arrives at inductively gains its “truth value” from the number and quality of observations it is based on. This style of reasoning in case study research is very similar to how clinicians reason in general. Clinicians look for patterns within patients and across patients. If they make similar observations in different patients, or if other psychoanalysts make similar observations in their patients, the weight of the conclusion becomes greater and greater. The problem with this reasoning style is that one can never arrive at definite conclusions: even if a conclusion is based on a large number of observations, it is always possible that the next observation disconfirms the conclusion. Therefore, it could be said, it is impossible to attain “true” knowledge.
The above argument is basically similar to objections against any kind of qualitative research. To this, we argue with Rustin ( 2003 ) that there is not one science and no hierarchy of research methods. Each method comes with strengths and weaknesses, and what one gains in terms of control and certainty in a conventional experimental setup is lost in terms of external validity and clinical applicability. Numerous researchers have pleaded for the case study approach as one method among a whole range of research methods in the field of psychoanalysis (Rustin, 2003 ; Luyten et al., 2006 ; Midgley, 2006b ; Colombo and Michels, 2007 ; Vanheule, 2009 ; Hinshelwood, 2013 ). Leuzinger-Bohleber makes a distinction between clinical research and extra-clinical research (Leuzinger-Bohleber, 2015 ). Clinical research is the idiographic type of research conducted by a psychoanalyst who is working with a patient. Unconscious phantasies and conflicts are symbolized and put into words at different levels of abstraction. This understanding then molds the perception of the analyst in subsequent clinical situations; even though the basic psychoanalytic attitude of “not knowing” is maintained. The clinical case study is clinical research par excellence . Extra-clinical research consists in the application of different methodologies developed in the natural and human sciences, to the study of the unconscious mind. Leuzinger-Bohleber refers to empirical psychotherapy research, experimental research, literature, cultural studies, etc. We believe that the clinical case study method should step up and claim its place in psychoanalytic research, although we agree that the method should be developed further. This paper and a number of others such as Midgley ( 2006b ) should facilitate this methodological improvement. The clinical research method is very well-suited to address any research question related to the description of phenomena and sequences in psychotherapy (e.g., manifestation and evolution of symptoms and therapeutic relationship over time). It is not suitable for questions related to causality and outcome.
We also want to point out that there is a new evolution in the field of psychotherapy case study research, which consists in the development of methodologies for meta-studies of clinical case studies (Iwakabe and Gazzola, 2009 ). The evolution builds on the broader tendency in the field of qualitative research to work toward integration or synthesis of qualitative findings (Finfgeld, 2003 ; Zimmer, 2006 ). The first studies which use this methodology have been published recently: Widdowson ( 2016 ) developed a treatment manual for depression, Rabinovich ( 2016 ) studied the integration of behavioral and psychoanalytic treatment interventions, and Willemsen et al. ( 2015b ) investigated patterns of transference in perversion. The rich variety of research aims demonstrates the potential of these meta-studies of case studies.
KEY CONCEPT 5
Meta-studies of clinical case studies.
A meta-study of clinical case studies is a research approach in which findings from cases are aggregated and more general patterns in psychotherapeutic processes are described. Several methodologies for meta-studies have been described, including cross-case analysis of raw data, meta-analysis, meta-synthesis, case comparisons, and review studies in general.
Lack of basic information in psychoanalytic case studies
The second research question of our study (Willemsen et al., 2015a ) concerned the methodological, patient, therapist, and treatment characteristics of published psychoanalytic case studies. All studies included in the Single Case Archive are screened by means of a coding sheet for basic information, the Inventory of Basic Information in Single Cases (IBISC). The IBISC was designed to assess the presence of basic information on patient (e.g., age, gender, reasons to consult), therapist (e.g., age, gender, level of experience), treatment (e.g., duration, frequency, outcome), and the methodology (e.g., therapy notes or audio recoding of sessions). The IBISC coding revealed that a lot of basic information is simply missing in psychoanalytic case studies (Desmet et al., 2013 ). Patient information is fairly well-reported, but information about therapist, treatment and methodology are often totally absent. Training and years of experience are not mentioned in 84 and 94% of the cases, respectively. The setting of the treatment is not mentioned in 61% of the case studies. In 80% of the cases, it was not mentioned whether the writing of the case studies was on the basis of therapy notes, or audiotapes. In 91% of the cases, it was not mentioned whether informed consent was obtained.
Using variables on which we had more comprehensive information, we compared basic information of case studies from different psychoanalytic schools. This gave us a more detailed insight in the type of case studies that have been generated within each psychoanalytic school, and into the difference between these schools in terms of the kind of case study they generate. We found only minimal differences. Case studies in Relational Psychoanalysis stand out because they involve older patients and longer treatments. Case studies in Interpersonal Psychoanalysis tend to involve young, female patients and male therapists. Case study authors from both these schools tend to report on intensive psychoanalysis in terms of session frequency. But for the rest, it seems that the publication of case studies throughout the different psychoanalytic schools has intensified quite recently.
Guidelines for writing clinical case studies
One of the main problems in using psychoanalytic case studies for research purposes is the enormous variability in quality of reporting and inconsistency in the provision of basic information about the case. This prevents the reader from contextualizing the case study and it obstructs the comparison of one case study with another. There have been attempts to provide guidelines for the writing of case studies, especially in the context of analytic training within the American Psychoanalytic Association (Klumpner and Frank, 1991 ; Bernstein, 2008 ). However, these guidelines were never enforced for case study authors by the editors from the main psychoanalytic journals. Therefore, the impact of these guidelines on the field of case study research has remained limited.
Here at the end of our focused review, we would like to provide guidelines for future case study authors. Our guidelines are based on the literature and on our experience with reading, writing, and doing research with clinical case studies. We will include fragments of existing case studies to clarify our guidelines. These guidelines do not provide a structure or framework for the case study; they set out basic principles about what should be included in a case study.
Basic information
First of all, we think that a clinical case study needs to contain basic information about the patient, the therapist, the treatment, and the research method. In relation to the patient , it is relevant to report on gender, age (or an age range in which to situate the patient), and ethnicity or cultural background. The reader needs to know these characteristics in order to orientate themselves as to who the patient is and what brings them to therapy. In relation to the therapist , it is important to provide information about professional training, level of professional experience, and theoretical orientation. Tuckett ( 2008 ) emphasizes the importance for clinicians to be explicit about the theory they are using and about their way of practicing. It is not sufficient to state membership of a particular group or school, because most groups have a wide range of different ways of practicing. In relation to the treatment itself, it is important to be explicit about the kind of setting, the duration of treatment, the frequency of sessions, and details about separate sequences in the treatment (diagnostic phase, follow-up etc.). These are essential features to share, especially at a time when public sector mental health treatment is being subjected to tight time restrictions and particular ways of practising are favored over others. For example short-term psychotherapies are being implemented in public services for social and economic reasons. While case studies carried out in the public sector can give us information on those short-term therapies, private practice can offer details about the patient's progress on a long-term basis. Moreover, it is important to report whether the treatment is completed. To our astonishment, there are a considerable number of published case studies on therapies that were not finished (Desmet et al., 2013 ). As Freud ( 2001 [1909] , p. 132) already advised, it is best to wait till completion of the treatment before one starts to work on a case study. Finally, in relation to the research method , it is crucial to mention which type of data were collected (therapy notes taken after each session, audio-recordings, questionnaires, etc.), whether informed consent was given, and in what way the treatment was supervised. Clinicians who would like to have help with checking whether they included all necessary basic information case use the Inventory for Basic Information in Single Cases (IBISC), which is freely available on http://www.singlecasearchive.com/resources .
Motivation to select a particular patient
First of all, it is crucial to know what the motivation for writing about a particular case comes from. Some of the following questions should be kept in mind and made explicit from the beginning of the case presentation. Why is it interesting to look at this case? What is it about this case or the psychotherapist's work that can contribute to the already existing knowledge or technique?
“This treatment resulted in the amelioration of his [obsessive-compulsive] symptoms, which remained stable eight years after treatment ended. Because the standard of care in such cases has become largely behavioral and pharmacological, I will discuss some questions about our current understanding of obsessive-compulsive phenomena that are raised by this case, and some of the factors that likely contributed to the success of psychoanalytic treatment for this child (McGehee, 2005 , p. 213–214).”
This quotation refers to a case that has been selected on the basis of its successful outcome. The author is then interested to find out what made this case successful.
Informed consent and disguise
As regulations on privacy and ethics are becoming tighter, psychotherapists find themselves with a real problem in deciding what is publishable and what is not. Winship ( 2007 ) points out that there is a potential negative effect of research overregulation as clinicians may be discouraged from reporting ordinary and everyday findings from their clinical practice. But he also offers very good guidelines for approaching the issue of informed consent. A good practice is asking for consent either at the start of the treatment or after completion of the treatment: preferably not during treatment. It is inadvisable to complete the case study before the treatment has ended. It is also advisable that the process of negotiating consent with the patient is reported in the case study.
“To be sure that Belle's anonymity was preserved, I contacted her while writing this book and told her it would not be published without her complete approval. To do this, I asked if she would review every word of every draft. She has (Stoller, 1986 , p. 217).”
In relation to disguise, one has to strike a balance between thin and thick disguise. Gabbard ( 2000 ) suggests different useful approaches to disguising the identity of the patient.
Patient background and context of referral or self-referral
It is important to include relevant facts about the patient's childhood, family history, siblings, any trauma or losses and relationship history (social and romantic) and the current context of the patient's life (family, working, financial). The context of referral is also key to understanding how and why the patient has come to therapy. Was the patient encouraged to come or had wanted to come? Has there been a recent crisis which prompted the intervention or an on-going problem which the patient had wanted to address for some time?
“Michael was one of the youngest children in his family of origin. He had older brothers and sisters who had been received into care before his birth. His parents separated before he was born. There had been some history of violence between them and Michael was received into care on a place of safety order when he was an infant because his mother had been unable to show consistent care toward him (Lykins Trevatt, 1999 , p. 267).”
Patient's narrative, therapist's observations, and interpretations
A case study should contain detailed accounts of key moments or central topics, such as a literal transcription of an interaction between patient and therapist, the narration of a dream, a detailed account of associations, etc. This will increase the fidelity of the case studied, especially when both patient's and therapist's speech are reported as carefully as possible.
“Martha spoke in a high-pitched voice which sounded even more tense than usual. She explained that her best friend's mum had shouted at her for being so withdrawn; this made her angry and left her feeling that she wanted to leave their home for good. I told Martha that she often tried to undo her bad feelings by acting quickly on her instincts, as she did not feel able to hold her feelings in her mind and bring them to her therapy to think about with me. Martha nodded but it was not clear whether she could really think about what I just said to her. She then said that she was being held in the hospital until a new foster placement could be found. “In the meantime,” she said in a pleased tone, “I have to be under constant supervision” (Della Rosa, 2015 , p. 168).”
In this example, observations of nonverbal behavior and tonality are also included, which helps to render a lively picture of the interaction.
Interpretative heuristics
In which frame of reference is the writer operating? It is important to know what theories are guiding the therapist's thinking and what strategies he employs in order to deal with the clinical situation he is encountering. Tuckett ( 1993 ) writes about the importance of knowing what “explanatory model” is used by the therapist in order to make sense of the patient and to relate his own thinking to a wider public for the purpose of research. This idea is also supported by Colombo and Michels ( 2007 ) who believe that making theoretical orientations as explicit as possible would make the case studies intelligible and more easily employed by the research community. This can be done by the therapists explaining why they have interpreted a particular situation in the way they have. For example, Kegerreis in her paper on time and lateness (2013) stresses throughout how she is working within the object-relations framework and looking out for the patient's use of projective mechanisms.
“She was 10 minutes late. Smiling rather smugly to herself she told me that the wood supplied for her new floor had been wrongly cut. The suppliers were supposed to come and collect it and hadn't done so, so she had told them she was going to sell it to a friend, and they are now all anxious and in a hurry to get it. I said she now feels as if she has become more powerful, able to get a response. She agrees, grinning more, telling me she does have friends who would want it, that it was not just a ploy. She said she had found it easier to get up today but was still late. I wondered if she had a sense of what the lateness was about. She said it was trying to fit too much in. She had been held up by discussing the disposal of rubble with her neighbors. I said I thought there was a link here with the story about the wood. In that she had turned the situation around. She had something that just didn't work, had a need for something, but it was turned around into something that was the suppliers' problem. They were made to feel the urgency and the need. Maybe when she is late here she is turning it around, so it is me who is to be uncertain and waiting, not her waiting for her time to come. We maybe learn here something of her early object relationships, in which being in need is felt to be unbearable, might lead to an awful awareness of lack and therefore has to be exported into someone else. One could go further and surmise that in her early experience she felt teased and exploited by the person who has the power to withhold what you need (Kegerreis, 2013 , p. 458).”
There can be no doubt reading this extract about the theoretical framework which is being used by the therapist.
Reflexivity and counter-transference
A good case study contains a high degree of reflexivity, whereby the therapist is able to show his feelings and reactions to the patient's communication in the session and an ability to think about it later with hindsight, by himself or in supervision. This reflexivity needs to show the pattern of the therapist's thinking and how this is related to his school of thought and to his counter-transferential experiences. How has the counter-transference been dealt with in a professional context? One can also consider whether the treatment has been influenced by supervision or discussion with colleagues.
“Recently for a period of a few days I found I was doing bad work. I made mistakes in respect of each one of my patients. The difficulty was in myself and it was partly personal but chiefly associated with a climax that I had reached in my relation to one particular psychotic (research) patient. The difficulty cleared up when I had what is sometimes called a ‘healing’ dream. […] Whatever other interpretations might be made in respect of this dream the result of my having dreamed it and remembered it was that I was able to take up this analysis again and even to heal the harm done to it by my irritability which had its origin in a reactive anxiety of a quality that was appropriate to my contact with a patient with no body (Winnicott, 1949 , p. 70).”
Leaving room for interpretation
A case study is the therapist's perspective on what happened. A case study becomes richer if the author can acknowledge aspects of the story that remain unclear to him. This means that not every bit of reported clinical material should be interpreted and fitted within the framework of the research. There should be some loose ends. Britton and Steiner ( 1994 ) refer to the use of interpretations where there is no room for doubt as “soul murder.” A level of uncertainty and confusion make a case study scientifically fruitful (Colombo and Michels, 2007 ). The writer can include with hindsight what he thinks he has not considered during the treatment and what he thinks could have changed the course for the treatment if he had been aware or included other aspects. This can be seen as an encouragement to continue to be curious and maintain an open research mind.
Answering the research question, and comparison with other cases
As in any research report, the author has to answer the research question and relate the findings to the existing literature. Of particular interest is the comparison with other similar cases. Through comparing, aggregating, and contrasting case studies, one can discover to what degree and under what conditions, the findings are valid. In other words, the comparison of cases is the start of a process of generalization of knowledge.
“Although based on a single case study, the results of my research appear to concur with the few case studies already in the field. In reviewing the literature on adolescent bereavement, it was the case studies that had particular resonance with my own work, and offered some of the most illuminating accounts of adolescent bereavement. Of special significance was Laufer's ( 1966 ) case study that described the narcissistic identifications of ‘Michael’, a patient whose mother had died in adolescence. Both Laufer's research and my own were conducted using the clinical setting as a basis and so are reflective of day-to-day psychotherapy practice (Keenan, 2014 , p. 33).”
As Yinn ( 2014 ) has argued for the social sciences, the case study method is the method of choice when one wants to study a phenomenon in context, especially when the boundaries between the phenomenon and the context are fussy. We are convinced that the same is true for case study methodology in the fields of psychoanalysis and psychotherapy. The current focused review has positioned the research method within these fields, and has given a number of guidelines for future case study researchers. The authors are fully aware that giving guidelines is a very tricky business, because while it can channel and stimulate research efforts it can as well-limit creativity and originality in research. Moreover, guidelines for good research change over time and have to be negotiated over and over again in the literature. A similar dilemma is often pondered when it comes to qualitative research (Tracy, 2010 ). However, our first impetus for providing these guidelines is pedagogical. The three authors of this piece are experienced psychotherapists who also work in academia. A lot of our students are interested in doing case study research with their own patients, but they struggle with the methodology. Our second impetus is to improve the scientific credibility of the case study method. Our guidelines for what to include in the written account of a case study, should contribute to the improvement of the quality of the case study literature. The next step in the field of case study research is to increase the accessibility of case studies for researchers, students and practitioners, and to develop methods for comparing or synthesizing case studies. As we have described above, efforts in that direction are being undertaken within the context of the Single Case Archive.
Author contributions
JW has written paragraphs 1–4; ER and JW have written paragraph 5 together; SK has contributed to paragraph 5 and revised the whole manuscript.
Conflict of interest statement
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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15 Famous Experiments and Case Studies in Psychology
Psychology has seen thousands upon thousands of research studies over the years. Most of these studies have helped shape our current understanding of human thoughts, behavior, and feelings.
The psychology case studies in this list are considered classic examples of psychological case studies and experiments, which are still being taught in introductory psychology courses up to this day.
Some studies, however, were downright shocking and controversial that you’d probably wonder why such studies were conducted back in the day. Imagine participating in an experiment for a small reward or extra class credit, only to be left scarred for life. These kinds of studies, however, paved the way for a more ethical approach to studying psychology and implementation of research standards such as the use of debriefing in psychology research .
Case Study vs. Experiment
Before we dive into the list of the most famous studies in psychology, let us first review the difference between case studies and experiments.
- It is an in-depth study and analysis of an individual, group, community, or phenomenon. The results of a case study cannot be applied to the whole population, but they can provide insights for further studies.
- It often uses qualitative research methods such as observations, surveys, and interviews.
- It is often conducted in real-life settings rather than in controlled environments.
- An experiment is a type of study done on a sample or group of random participants, the results of which can be generalized to the whole population.
- It often uses quantitative research methods that rely on numbers and statistics.
- It is conducted in controlled environments, wherein some things or situations are manipulated.
See Also: Experimental vs Observational Studies
Famous Experiments in Psychology
1. the marshmallow experiment.
Psychologist Walter Mischel conducted the marshmallow experiment at Stanford University in the 1960s to early 1970s. It was a simple test that aimed to define the connection between delayed gratification and success in life.
The instructions were fairly straightforward: children ages 4-6 were presented a piece of marshmallow on a table and they were told that they would receive a second piece if they could wait for 15 minutes without eating the first marshmallow.
About one-third of the 600 participants succeeded in delaying gratification to receive the second marshmallow. Mischel and his team followed up on these participants in the 1990s, learning that those who had the willpower to wait for a larger reward experienced more success in life in terms of SAT scores and other metrics.
This case study also supported self-control theory , a theory in criminology that holds that people with greater self-control are less likely to end up in trouble with the law!
The classic marshmallow experiment, however, was debunked in a 2018 replication study done by Tyler Watts and colleagues.
This more recent experiment had a larger group of participants (900) and a better representation of the general population when it comes to race and ethnicity. In this study, the researchers found out that the ability to wait for a second marshmallow does not depend on willpower alone but more so on the economic background and social status of the participants.
2. The Bystander Effect
In 1694, Kitty Genovese was murdered in the neighborhood of Kew Gardens, New York. It was told that there were up to 38 witnesses and onlookers in the vicinity of the crime scene, but nobody did anything to stop the murder or call for help.
Such tragedy was the catalyst that inspired social psychologists Bibb Latane and John Darley to formulate the phenomenon called bystander effect or bystander apathy .
Subsequent investigations showed that this story was exaggerated and inaccurate, as there were actually only about a dozen witnesses, at least two of whom called the police. But the case of Kitty Genovese led to various studies that aim to shed light on the bystander phenomenon.
Latane and Darley tested bystander intervention in an experimental study . Participants were asked to answer a questionnaire inside a room, and they would either be alone or with two other participants (who were actually actors or confederates in the study). Smoke would then come out from under the door. The reaction time of participants was tested — how long would it take them to report the smoke to the authorities or the experimenters?
The results showed that participants who were alone in the room reported the smoke faster than participants who were with two passive others. The study suggests that the more onlookers are present in an emergency situation, the less likely someone would step up to help, a social phenomenon now popularly called the bystander effect.
3. Asch Conformity Study
Have you ever made a decision against your better judgment just to fit in with your friends or family? The Asch Conformity Studies will help you understand this kind of situation better.
In this experiment, a group of participants were shown three numbered lines of different lengths and asked to identify the longest of them all. However, only one true participant was present in every group and the rest were actors, most of whom told the wrong answer.
Results showed that the participants went for the wrong answer, even though they knew which line was the longest one in the first place. When the participants were asked why they identified the wrong one, they said that they didn’t want to be branded as strange or peculiar.
This study goes to show that there are situations in life when people prefer fitting in than being right. It also tells that there is power in numbers — a group’s decision can overwhelm a person and make them doubt their judgment.
4. The Bobo Doll Experiment
The Bobo Doll Experiment was conducted by Dr. Albert Bandura, the proponent of social learning theory .
Back in the 1960s, the Nature vs. Nurture debate was a popular topic among psychologists. Bandura contributed to this discussion by proposing that human behavior is mostly influenced by environmental rather than genetic factors.
In the Bobo Doll Experiment, children were divided into three groups: one group was shown a video in which an adult acted aggressively toward the Bobo Doll, the second group was shown a video in which an adult play with the Bobo Doll, and the third group served as the control group where no video was shown.
The children were then led to a room with different kinds of toys, including the Bobo Doll they’ve seen in the video. Results showed that children tend to imitate the adults in the video. Those who were presented the aggressive model acted aggressively toward the Bobo Doll while those who were presented the passive model showed less aggression.
While the Bobo Doll Experiment can no longer be replicated because of ethical concerns, it has laid out the foundations of social learning theory and helped us understand the degree of influence adult behavior has on children.
5. Blue Eye / Brown Eye Experiment
Following the assassination of Martin Luther King Jr. in 1968, third-grade teacher Jane Elliott conducted an experiment in her class. Although not a formal experiment in controlled settings, A Class Divided is a good example of a social experiment to help children understand the concept of racism and discrimination.
The class was divided into two groups: blue-eyed children and brown-eyed children. For one day, Elliott gave preferential treatment to her blue-eyed students, giving them more attention and pampering them with rewards. The next day, it was the brown-eyed students’ turn to receive extra favors and privileges.
As a result, whichever group of students was given preferential treatment performed exceptionally well in class, had higher quiz scores, and recited more frequently; students who were discriminated against felt humiliated, answered poorly in tests, and became uncertain with their answers in class.
This study is now widely taught in sociocultural psychology classes.
6. Stanford Prison Experiment
One of the most controversial and widely-cited studies in psychology is the Stanford Prison Experiment , conducted by Philip Zimbardo at the basement of the Stanford psychology building in 1971. The hypothesis was that abusive behavior in prisons is influenced by the personality traits of the prisoners and prison guards.
The participants in the experiment were college students who were randomly assigned as either a prisoner or a prison guard. The prison guards were then told to run the simulated prison for two weeks. However, the experiment had to be stopped in just 6 days.
The prison guards abused their authority and harassed the prisoners through verbal and physical means. The prisoners, on the other hand, showed submissive behavior. Zimbardo decided to stop the experiment because the prisoners were showing signs of emotional and physical breakdown.
Although the experiment wasn’t completed, the results strongly showed that people can easily get into a social role when others expect them to, especially when it’s highly stereotyped .
7. The Halo Effect
Have you ever wondered why toothpastes and other dental products are endorsed in advertisements by celebrities more often than dentists? The Halo Effect is one of the reasons!
The Halo Effect shows how one favorable attribute of a person can gain them positive perceptions in other attributes. In the case of product advertisements, attractive celebrities are also perceived as intelligent and knowledgeable of a certain subject matter even though they’re not technically experts.
The Halo Effect originated in a classic study done by Edward Thorndike in the early 1900s. He asked military commanding officers to rate their subordinates based on different qualities, such as physical appearance, leadership, dependability, and intelligence.
The results showed that high ratings of a particular quality influences the ratings of other qualities, producing a halo effect of overall high ratings. The opposite also applied, which means that a negative rating in one quality also correlated to negative ratings in other qualities.
Experiments on the Halo Effect came in various formats as well, supporting Thorndike’s original theory. This phenomenon suggests that our perception of other people’s overall personality is hugely influenced by a quality that we focus on.
8. Cognitive Dissonance
There are experiences in our lives when our beliefs and behaviors do not align with each other and we try to justify them in our minds. This is cognitive dissonance , which was studied in an experiment by Leon Festinger and James Carlsmith back in 1959.
In this experiment, participants had to go through a series of boring and repetitive tasks, such as spending an hour turning pegs in a wooden knob. After completing the tasks, they were then paid either $1 or $20 to tell the next participants that the tasks were extremely fun and enjoyable. Afterwards, participants were asked to rate the experiment. Those who were given $1 rated the experiment as more interesting and fun than those who received $20.
The results showed that those who received a smaller incentive to lie experienced cognitive dissonance — $1 wasn’t enough incentive for that one hour of painstakingly boring activity, so the participants had to justify that they had fun anyway.
Famous Case Studies in Psychology
9. little albert.
In 1920, behaviourist theorists John Watson and Rosalie Rayner experimented on a 9-month-old baby to test the effects of classical conditioning in instilling fear in humans.
This was such a controversial study that it gained popularity in psychology textbooks and syllabi because it is a classic example of unethical research studies done in the name of science.
In one of the experiments, Little Albert was presented with a harmless stimulus or object, a white rat, which he wasn’t scared of at first. But every time Little Albert would see the white rat, the researchers would play a scary sound of hammer and steel. After about 6 pairings, Little Albert learned to fear the rat even without the scary sound.
Little Albert developed signs of fear to different objects presented to him through classical conditioning . He even generalized his fear to other stimuli not present in the course of the experiment.
10. Phineas Gage
Phineas Gage is such a celebrity in Psych 101 classes, even though the way he rose to popularity began with a tragic accident. He was a resident of Central Vermont and worked in the construction of a new railway line in the mid-1800s. One day, an explosive went off prematurely, sending a tamping iron straight into his face and through his brain.
Gage survived the accident, fortunately, something that is considered a feat even up to this day. He managed to find a job as a stagecoach after the accident. However, his family and friends reported that his personality changed so much that “he was no longer Gage” (Harlow, 1868).
New evidence on the case of Phineas Gage has since come to light, thanks to modern scientific studies and medical tests. However, there are still plenty of mysteries revolving around his brain damage and subsequent recovery.
11. Anna O.
Anna O., a social worker and feminist of German Jewish descent, was one of the first patients to receive psychoanalytic treatment.
Her real name was Bertha Pappenheim and she inspired much of Sigmund Freud’s works and books on psychoanalytic theory, although they hadn’t met in person. Their connection was through Joseph Breuer, Freud’s mentor when he was still starting his clinical practice.
Anna O. suffered from paralysis, personality changes, hallucinations, and rambling speech, but her doctors could not find the cause. Joseph Breuer was then called to her house for intervention and he performed psychoanalysis, also called the “talking cure”, on her.
Breuer would tell Anna O. to say anything that came to her mind, such as her thoughts, feelings, and childhood experiences. It was noted that her symptoms subsided by talking things out.
However, Breuer later referred Anna O. to the Bellevue Sanatorium, where she recovered and set out to be a renowned writer and advocate of women and children.
12. Patient HM
H.M., or Henry Gustav Molaison, was a severe amnesiac who had been the subject of countless psychological and neurological studies.
Henry was 27 when he underwent brain surgery to cure the epilepsy that he had been experiencing since childhood. In an unfortunate turn of events, he lost his memory because of the surgery and his brain also became unable to store long-term memories.
He was then regarded as someone living solely in the present, forgetting an experience as soon as it happened and only remembering bits and pieces of his past. Over the years, his amnesia and the structure of his brain had helped neuropsychologists learn more about cognitive functions .
Suzanne Corkin, a researcher, writer, and good friend of H.M., recently published a book about his life. Entitled Permanent Present Tense , this book is both a memoir and a case study following the struggles and joys of Henry Gustav Molaison.
13. Chris Sizemore
Chris Sizemore gained celebrity status in the psychology community when she was diagnosed with multiple personality disorder, now known as dissociative identity disorder.
Sizemore has several alter egos, which included Eve Black, Eve White, and Jane. Various papers about her stated that these alter egos were formed as a coping mechanism against the traumatic experiences she underwent in her childhood.
Sizemore said that although she has succeeded in unifying her alter egos into one dominant personality, there were periods in the past experienced by only one of her alter egos. For example, her husband married her Eve White alter ego and not her.
Her story inspired her psychiatrists to write a book about her, entitled The Three Faces of Eve , which was then turned into a 1957 movie of the same title.
14. David Reimer
When David was just 8 months old, he lost his penis because of a botched circumcision operation.
Psychologist John Money then advised Reimer’s parents to raise him as a girl instead, naming him Brenda. His gender reassignment was supported by subsequent surgery and hormonal therapy.
Money described Reimer’s gender reassignment as a success, but problems started to arise as Reimer was growing up. His boyishness was not completely subdued by the hormonal therapy. When he was 14 years old, he learned about the secrets of his past and he underwent gender reassignment to become male again.
Reimer became an advocate for children undergoing the same difficult situation he had been. His life story ended when he was 38 as he took his own life.
15. Kim Peek
Kim Peek was the inspiration behind Rain Man , an Oscar-winning movie about an autistic savant character played by Dustin Hoffman.
The movie was released in 1988, a time when autism wasn’t widely known and acknowledged yet. So it was an eye-opener for many people who watched the film.
In reality, Kim Peek was a non-autistic savant. He was exceptionally intelligent despite the brain abnormalities he was born with. He was like a walking encyclopedia, knowledgeable about travel routes, US zip codes, historical facts, and classical music. He also read and memorized approximately 12,000 books in his lifetime.
This list of experiments and case studies in psychology is just the tip of the iceberg! There are still countless interesting psychology studies that you can explore if you want to learn more about human behavior and dynamics.
You can also conduct your own mini-experiment or participate in a study conducted in your school or neighborhood. Just remember that there are ethical standards to follow so as not to repeat the lasting physical and emotional harm done to Little Albert or the Stanford Prison Experiment participants.
Asch, S. E. (1956). Studies of independence and conformity: I. A minority of one against a unanimous majority. Psychological Monographs: General and Applied, 70 (9), 1–70. https://doi.org/10.1037/h0093718
Bandura, A., Ross, D., & Ross, S. A. (1961). Transmission of aggression through imitation of aggressive models. The Journal of Abnormal and Social Psychology, 63 (3), 575–582. https://doi.org/10.1037/h0045925
Elliott, J., Yale University., WGBH (Television station : Boston, Mass.), & PBS DVD (Firm). (2003). A class divided. New Haven, Conn.: Yale University Films.
Festinger, L., & Carlsmith, J. M. (1959). Cognitive consequences of forced compliance. The Journal of Abnormal and Social Psychology, 58 (2), 203–210. https://doi.org/10.1037/h0041593
Haney, C., Banks, W. C., & Zimbardo, P. G. (1973). A study of prisoners and guards in a simulated prison. Naval Research Review , 30 , 4-17.
Latane, B., & Darley, J. M. (1968). Group inhibition of bystander intervention in emergencies. Journal of Personality and Social Psychology, 10 (3), 215–221. https://doi.org/10.1037/h0026570
Mischel, W. (2014). The Marshmallow Test: Mastering self-control. Little, Brown and Co.
Thorndike, E. (1920) A Constant Error in Psychological Ratings. Journal of Applied Psychology , 4 , 25-29. http://dx.doi.org/10.1037/h0071663
Watson, J. B., & Rayner, R. (1920). Conditioned emotional reactions. Journal of experimental psychology , 3 (1), 1.
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Retrospective Cohort Study: Definition & Examples
Julia Simkus
Editor at Simply Psychology
BA (Hons) Psychology, Princeton University
Julia Simkus is a graduate of Princeton University with a Bachelor of Arts in Psychology. She is currently studying for a Master's Degree in Counseling for Mental Health and Wellness in September 2023. Julia's research has been published in peer reviewed journals.
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Editor-in-Chief for Simply Psychology
BSc (Hons) Psychology, MRes, PhD, University of Manchester
Saul Mcleod, PhD., is a qualified psychology teacher with over 18 years of experience in further and higher education. He has been published in peer-reviewed journals, including the Journal of Clinical Psychology.
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A retrospective study, sometimes called a historical cohort study, is a type of longitudinal study in which researchers look back to a certain point to analyze a particular group of subjects who have already experienced an outcome of interest.
In a retrospective cohort study, the researcher identifies a group of individuals who have been exposed to a certain factor and a group who have not been exposed (the cohorts), and then looks back in time to see how the rate of a certain outcome (like the development of a disease) differs between the two groups.
For example, a researcher might identify a group of people who smoked and a group who never smoked, and then look back at medical records to see how the rate of lung cancer differs between the two groups.
This type of study is beneficial for medical researchers, specifically in epidemiology, as scientists can use existing data to understand potential risk factors or causes of disease.
Researchers in retrospective studies will identify a cohort of subjects before they have developed a disease and then use existing data, such as medical records, to discover any patterns and examine exposures to suspected risks.
In cohort studies , one group of participants must share a common exposure factor, and this group is compared to another group of participants who do not share the exposure to that factor.
For example, men over age 60 who exercise daily could be compared to men over age 60 who do not exercise daily (control) to study the prevalence of diabetes in men over 60.
Researchers collect data from existing records to study a relationship and determine the influence of a particular factor (i.e., daily exercise) on a particular outcome (i.e., diabetes) and to analyze the relative risk of the cohort compared to the control group.
Feasibility
Estimating the relative risk of a population tends to be easier with retrospective studies than prospective studies. Retrospective studies are conducted on a smaller scale than prospective studies.
Because researchers study groups of people before they develop an illness, they can discover potential cause-and-effect relationships between certain behaviors and the development of a disease.
Inexpensive and less time-consuming
Retrospective studies tend to be cheaper and quicker than prospective studies as the data already exists, and researchers do not need to recruit participants.
Beneficial for rare diseases
Researchers in retrospective studies can address rare diseases easier than in prospective studies because, in prospective studies, researchers would need to recruit extremely large cohorts.
Limitations
Bias and confounding variables.
Most sources of error in retrospective studies are due to confounding and bias. These errors are more common in retrospective studies than in prospective studies, so a retrospective study design should not be used when a prospective design is possible.
Recall bias
Participants might not be able to remember if they were exposed or when they were exposed, or they might omit other details that are important for the study.
Missing data
Because researchers are using already existing data, they rely on others for accurate recordkeeping, and important information may not have been collected in the first place.
- Investigation of risk factors for breast cancer (Press & Pharoah, 2010).
- Characteristics of trafficked adults and children with severe mental illness (Oram et al., 2015).
- Activated injectable vitamin D and hemodialysis survival (Teng et al., 2005).
- Reporting critical incidents in a tertiary hospital Munting et al., 2015).
- Reporting critical incidents in a tertiary hospital (Munting et al., 2015).
- Association between blood eosinophil count and risk of readmission for patients with asthma (Kerkhof et al., 2018).
- Risk factors for mental disorders in women survivors of human trafficking (Abas et al., 2013).
Frequently Asked Questions
1. what is the difference between case-control and retrospective cohort studies.
Case-control studies are usually, but not exclusively, retrospective. Case-control studies are performed on individuals who already have a disease, and researchers compare them with other individuals who share similar characteristics but do not have the disease.
In a retrospective cohort study, on the other hand, researchers examine a group before any of the subjects have developed the disease. Then they examine any factors that differed between the individuals who developed the condition and those who did not.
More simply, the outcome is measured before the exposure in case-control studies, whereas the outcome is measured after exposure in cohort studies.
2. Is a retrospective study experimental?
No, retrospective cohort studies are observational. Researchers analyze a group of subjects without manipulating any variables or interfering with their environment.
Researchers use existing data to investigate the target population, so no experimentation is necessary. Retrospective cohort studies examine cause-and-effect relationships between a disease and an outcome. However, they do not explain why the factors that affect these relationships exist.
Experimental studies are required to determine why a certain factor is associated with a particular outcome.
Abas, M., Ostrovschi, N.V., Prince, M, et al. (2013). Risk factors for mental disorders in women survivors of human trafficking: a historical cohort study. BMC Psychiatry 13, 204. https://doi.org/10.1186/1471-244X-13-204.
Hess, D.R. (2004) Retrospective studies and chart reviews. Respir Care. 49(10):1171-4. PMID: 15447798.
Kerkhof, M., Tran, T.N., Van den Berge, M., Brusselle, G.G., Gopalan, G., Jones, R.C.M., et al. (2018). Association between blood eosinophil count and risk of readmission for patients with asthma: Historical cohort study. 13(7): e0201143.
Munting, K.E, et al. (2015). Reporting critical incidents in a tertiary hospital: a historical cohort study of 110,310 procedures. Can J Anesth/J Can Anesth 62, 1248–1258. https://doi.org/10.1007/s12630-015-0492-y
Oram, S., Khondoker, M.R., Abas, M.A., Broadbent, M.T., & Howard, L.M. (2015). Characteristics of trafficked adults and children with severe mental illness: a historical cohort study. The Lancet. Psychiatry, 2 12, 1084-91.
Press, D. J., & Pharoah, P. (2010). Risk factors for breast cancer: a reanalysis of two case-control studies from 1926 and 1931. Epidemiology (Cambridge, Mass.), 21(4), 566–572. https://doi.org/10.1097/EDE.0b013e3181e08eb3
Ranganathan, P., & Aggarwal, R. (2018). Study designs: Part 1 – An overview and classification. Perspectives in clinical research, 9(4), 184–186.
Song, J. W., & Chung, K. C. (2010). Observational studies: cohort and case-control studies. Plastic and reconstructive surgery, 126(6), 2234–2242. https://doi.org/10.1097/PRS.0b013e3181f44abc.
Teng, M., Wolf, M., Ofsthun, M. N., Lazarus, J. M., Hernán, M. A., Camargo, C. A., Jr, & Thadhani, R. (2005). Activated injectable vitamin D and hemodialysis survival: a historical cohort study. Journal of the American Society of Nephrology: JASN, 16(4), 1115–1125.
Further Information
- Cohort Effect? Definition and Examples
- Barrett, D., & Noble, H. (2019). What are cohort studies?. Evidence-based nursing, 22(4), 95-96.
- Hess, D. R. (2004). Retrospective studies and chart reviews. Respiratory care, 49(10), 1171-1174.
- Euser, A. M., Zoccali, C., Jager, K. J., & Dekker, F. W. (2009). Cohort studies: prospective versus retrospective. Nephron Clinical Practice, 113(3), c214-c217.
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A case study is one of the most extensively used strategies of qualitative social research. Over the years, its application has expanded by leaps and bounds, and is now being employed in several disciplines of social science such as sociology, management, anthropology, psychology and others.
Case studies are in-depth investigations of a person, group, event, or community. Typically, data is gathered from various sources using several methods (e.g., observations & interviews). The case study research method originated in clinical medicine (the case history, i.e., the patient's personal history). In psychology, case studies are ...
A case study is an in-depth study of one person, group, or event. In a case study, nearly every aspect of the subject's life and history is analyzed to seek patterns and causes of behavior. Case studies can be used in many different fields, including psychology, medicine, education, anthropology, political science, and social work.
Defnition: A case study is a research method that involves an in-depth examination and analysis of a particular phenomenon or case, such as an individual, organization, community, event, or situation. It is a qualitative research approach that aims to provide a detailed and comprehensive understanding of the case being studied.
Revised on November 20, 2023. A case study is a detailed study of a specific subject, such as a person, group, place, event, organization, or phenomenon. Case studies are commonly used in social, educational, clinical, and business research. A case study research design usually involves qualitative methods, but quantitative methods are ...
The Case Study as a Research Methodology: Difficulties and Advantages of Integrating the Positivistic, ... Klos, D. (1976). Students as Case Writers. Teaching of Psychology, 3.2, 63-66. This article reviews a course in which students gather data for an original case study of another person. The task requires the students to design the study ...
Case study research continues to be poorly understood. In psychology, as in sociology, anthropology, political science, and epidemiology, the strengths and weaknesses of case study research—much less how to practice it well—still need clarification.
The majority of methods in psychology rely on averaging group data to draw conclusions. In this Perspective, Nickels et al. argue that single case methodology is a valuable tool for developing and ...
When thinking of writing your own case study, consider these eight steps to help get you started: 1. Gather information to create a profile for a subject. It's important to understand as much as you can about the research subject prior to developing research methods and a hypothesis.
A case study is a research method used in psychology to investigate a particular individual, group, or situation in depth. It involves a detailed analysis of the subject, gathering information from various sources such as interviews, observations, and documents. In a case study, researchers aim to understand the complexities and nuances of the ...
Case study in psychology refers to the use of a descriptive research approach to obtain an in-depth analysis of a person, group, or phenomenon. A variety of techniques may be employed including personal interviews, direct-observation, psychometric tests, and archival records. In psychology case studies are most often used in clinical research ...
Olivia Guy-Evans, MSc. Research methods in psychology are systematic procedures used to observe, describe, predict, and explain behavior and mental processes. They include experiments, surveys, case studies, and naturalistic observations, ensuring data collection is objective and reliable to understand and explain psychological phenomena.
VARIATIONS ON CASE STUDY METHODOLOGY. Case study methodology is evolving and regularly reinterpreted. Comparative or multiple case studies are used as a tool for synthesizing information across time and space to research the impact of policy and practice in various fields of social research [].Because case study research is in-depth and intensive, there have been efforts to simplify the method ...
Compare longitudinal and cross-sectional approaches to research. Compare and contrast correlation and causation. There are many research methods available to psychologists in their efforts to understand, describe, and explain behavior and the cognitive and biological processes that underlie it. Some methods rely on observational techniques.
Topics in Psychology. Explore how scientific research by psychologists can inform our professional lives, family and community relationships, emotional wellness, and more. ... E., Ghannam, J., Nigg, J & Dyer, J. (1993). A paradigm for single-case research: The time series study of a long-term therapy for depression. Journal of Consulting and ...
Kitty Genovese. Sadly, it is not really Kitty Genovese the person who has become one of psychology's classic case studies, but rather the terrible fate that befell her. In 1964 in New York, Genovese was returning home from her job as a bar maid when she was attacked and eventually murdered by Winston Mosely.
What is a case study? A case study is, as the name suggests, a study of a single case. For example, if someone has an extremely rare disease, a group of scientists might conduct a case study of that disease rather than attempting to set up an experimental study. In that case study, the researchers might test the effectiveness of a certain drug ...
A case study meaning in psychology is a qualitative research method that seeks to understand a phenomenon in a real-life setting. A researcher will use a case study if they want to answer the how ...
Descriptive Case Study Research . A descriptive approach to a case study is akin to a biography of a person, honing in on the experiences of a small group to extrapolate to larger themes. We most commonly see descriptive case studies when those in the psychology field are using past clients as an example to illustrate a point.
The ordering process is fully online, and it goes as follows: • Select the topic and the deadline of your case study. • Provide us with any details, requirements, statements that should be emphasized or particular parts of the writing process you struggle with. • Leave the email address, where your completed order will be sent to.
So how do we apply the scientific method to psychological research? Lots of ways, but today Hank talks about case studies, naturalistic observation, surveys ...
Abstract. This manuscript provides a review of the clinical case study within the field of psychoanalytic and psychodynamic treatment. The method has been contested for methodological reasons and because it would contribute to theoretical pluralism in the field. We summarize how the case study method is being applied in different schools of ...
6. Stanford Prison Experiment. One of the most controversial and widely-cited studies in psychology is the Stanford Prison Experiment, conducted by Philip Zimbardo at the basement of the Stanford psychology building in 1971. The hypothesis was that abusive behavior in prisons is influenced by the personality traits of the prisoners and prison ...
The Research Domain Criteria framework (RDoC) was created in 2010 by the National Institute of Mental Health. The framework encourages researchers to examine functional processes that are implemented by the brain on a continuum from normal to abnormal. This way of researching mental disorders can help overcome inherent limitations in using all ...
Psychological research is central to efforts to improve education, starting at the most basic level: pedagogy itself. Broadly, research on how we learn supports a shift away from direct instruction (the "sage on the stage" model) to experiential, hands-on learning—often called guided play—especially in early education (Skene, K., et al., Child Development, Vol. 93, No. 4, 2022).
Limitations. Examples. FAQs. A retrospective study, sometimes called a historical cohort study, is a type of longitudinal study in which researchers look back to a certain point to analyze a particular group of subjects who have already experienced an outcome of interest. In a retrospective cohort study, the researcher identifies a group of ...