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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 January 30, 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.
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.
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
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.
However, you can also choose a more common or representative case to exemplify a particular category, experience or phenomenon.
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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.
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.
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Home » Case Study – Methods, Examples and Guide
Case Study – Methods, Examples and Guide
Table of Contents
Case study is a research method that involves an in-depth, detailed examination of a single unit, such as an individual, family, group, organization, community, or event. Case studies are usually conducted by sociologists, psychologists, historians, anthropologists, or researchers from other social science disciplines.
Case studies are used to provide a rich and detailed account of a particular social phenomenon. They are often used to generate new hypotheses or to test existing theories. In some cases, case studies are also used to evaluate programs or interventions.
Types of Case Study
There are three types of case study research:
Exploratory Case Studies
Descriptive case studies, explanatory case studies.
Exploratory case studies are conducted when little is known about a phenomenon. They are used to generate hypotheses and gather preliminary data.
Descriptive case studies describe a phenomenon in detail. They are used to develop an understanding of a complex issue.
Explanatory case studies explain why or how something happens. They are used to test theories and identify cause-and-effect relationships.
Case Study Data Collection Methods
There are a variety of case study data collection methods, including:
Observations
- Document analysis
Interviews are perhaps the most common type of data collection in case studies. They allow researchers to collect detailed information about individuals’ experiences and perspectives.
Observations can also be useful in case studies, particularly if the researcher is interested in studying how people interact with their environment.
Document Analysis
Document analysis is another common data collection method in case studies; it involves examining documents such as policy records, media reports, and demographic data.
How to conduct Case Study Research
Conducting case study research is a complex process that requires both scientific and methodological rigor. Follow the steps below:
- Define the research question or questions to be addressed.
- Determine if there is enough information available about the case or cases you want to study
- Consider your budget and time Constraints.
- Select the appropriate methodology and design.
- Decide if there is an existing theoretical framework that can be applied to your case or cases.
- Collect data, which can be done through interviews, focus groups, surveys, or observation.
- Analyze the data and draw conclusions.
- Communicate the findings.
Advantages of Case Study Research
There are several advantages of using case study research.
- It allows for a close examination of the context within which the phenomenon under investigation occurs.
- It provides rich data that can be analyzed in depth.
- It allows for the development of theory from data.
- It can be used to test hypotheses.
- Case studies can help to refine existing models.
- It can be used for descriptive purposes.
- It promotes reflexivity on the part of the researcher.
Also see Focus Groups in Qualitative Research
Disadvantages of Case Study Research
There are also a number of drawbacks to using this approach.
- It can be difficult to generalize from the case study to other situations. Because the focus is on a single case.
- it can be more difficult to determine the impact of the factors being studied.
- Case study research can be time-consuming and expensive.
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Muhammad Hassan
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What are Case Studies?
Books about case studies, resources on case studies, case studies in the literature.
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According to the book Understanding Case Study Research , case studies are "small scale research with meaning" that generally involve the following:
- The study of a particular case, or a number of cases.
- That the case will be complex and bounded.
- That it will be studied in its context.
- That the analysis undertaken will seek to be holistic.
The following books are available as ebooks through the UCSF Library unless otherwise noted
- Case Studies A tutorial on case study research from Colorado State University.
- Case Study: A Strategic Research Methodology An article from the American Journal of Applied Sciences by Khairul Baharein Mohd Noor. This article defends case study methodology as an appropriate methodology, giving a description, the process and its strengths and weaknesses.
- The Case Study Approach This article by Crowe et al gives a nice overview of case studies and includes several examples from health science research
- Five Misunderstandings About Case-Study Research This article examines five common misunderstandings about case-study research
- How to do Case Study Research This article from Donna Zucker at the University of Massachusetts College of Nursing describes how to design and write about case study research
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What Is a Case Study?
An in-depth study of one person, group, or event
Kendra Cherry, MS, is an author and educational consultant focused on helping students learn about psychology.
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Benefits and Limitations
Types of case studies, how to write a case study.
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 various fields, including psychology, medicine, education, anthropology, political science, and social work.
The purpose of a case study is to learn as much as possible about an individual or group so that the information can be generalized to many others. Unfortunately, case studies tend to be highly subjective, and it is sometimes difficult to generalize results to a larger population.
While case studies focus on a single individual or group, they follow a format similar to other types of psychology writing. If you are writing a case study, it is important to follow the rules of APA format .
A case study can have both strengths and weaknesses. Researchers must consider these pros and cons before deciding if this type of study is appropriate for their needs.
One of the greatest advantages of a case study is that it allows researchers to investigate things that are often difficult to impossible to replicate in a lab. Some other benefits of a case study:
- Allows researchers to collect a great deal of information
- Give researchers the chance to collect information on rare or unusual cases
- Permits researchers to develop hypotheses that can be explored in experimental research
On the negative side, a case study:
- Cannot necessarily be generalized to the larger population
- Cannot demonstrate cause and effect
- May not be scientifically rigorous
- Can lead to bias
Researchers may choose to perform a case study if they are interested in exploring a unique or recently discovered phenomenon. The insights gained from such research can help the researchers develop additional ideas and study questions that might be explored in future studies.
However, it is important to remember that the insights gained from case studies cannot be used to determine cause and effect relationships between variables. However, case studies may be used to develop hypotheses that can then be addressed in experimental research.
Case Study Examples
There have been a number of notable case studies in the history of psychology. Much of Freud's work and theories were developed through the use of individual case studies. Some great examples of case studies in psychology include:
- Anna O : Anna O. was a pseudonym of a woman named Bertha Pappenheim, a patient of a physician named Josef Breuer. While she was never a patient of Freud's, Freud and Breuer discussed her case extensively. The woman was experiencing symptoms of a condition that was then known as hysteria and found that talking about her problems helped relieve her symptoms. Her case played an important part in the development of talk therapy as an approach to mental health treatment.
- Phineas Gage : Phineas Gage was a railroad employee who experienced a terrible accident in which an explosion sent a metal rod through his skull, damaging important portions of his brain. Gage recovered from his accident but was left with serious changes in both personality and behavior.
- Genie : Genie was a young girl subjected to horrific abuse and isolation. The case study of Genie allowed researchers to study whether language could be taught even after critical periods for language development had been missed. Her case also served as an example of how scientific research may interfere with treatment and lead to further abuse of vulnerable individuals.
Such cases demonstrate how case research can be used to study things that researchers could not replicate in experimental settings. In Genie's case, her horrific abuse had denied her the opportunity to learn language at critical points in her development.
This is clearly not something that researchers could ethically replicate, but conducting a case study on Genie allowed researchers the chance to study phenomena that are otherwise impossible to reproduce.
There are a few different types of case studies that psychologists and other researchers might utilize:
- Collective case studies : These involve studying a group of individuals. Researchers might study a group of people in a certain setting or look at an entire community. For example, psychologists might explore how access to resources in a community has affected the collective mental well-being of those living there.
- Descriptive case studies : These involve starting with a descriptive theory. The subjects are then observed, and the information gathered is compared to the pre-existing theory.
- Explanatory case studies : These are often used to do causal investigations. In other words, researchers are interested in looking at factors that may have caused certain things to occur.
- Exploratory case studies : These are sometimes used as a prelude to further, more in-depth research. This allows researchers to gather more information before developing their research questions and hypotheses .
- Instrumental case studies : These occur when the individual or group allows researchers to understand more than what is initially obvious to observers.
- Intrinsic case studies : This type of case study is when the researcher has a personal interest in the case. Jean Piaget's observations of his own children are good examples of how an intrinsic cast study can contribute to the development of a psychological theory.
The three main case study types often used are intrinsic, instrumental, and collective. Intrinsic case studies are useful for learning about unique cases. Instrumental case studies help look at an individual to learn more about a broader issue. A collective case study can be useful for looking at several cases simultaneously.
The type of case study that psychology researchers utilize depends on the unique characteristics of the situation as well as the case itself.
There are also different methods that can be used to conduct a case study, including prospective and retrospective case study methods.
Prospective case study methods are those in which an individual or group of people is observed in order to determine outcomes. For example, a group of individuals might be watched over an extended period of time to observe the progression of a particular disease.
Retrospective case study methods involve looking at historical information. For example, researchers might start with an outcome, such as a disease, and then work their way backward to look at information about the individual's life to determine risk factors that may have contributed to the onset of the illness.
Where to Find Data
There are a number of different sources and methods that researchers can use to gather information about an individual or group. Six major sources that have been identified by researchers are:
- Archival records : Census records, survey records, and name lists are examples of archival records.
- Direct observation : This strategy involves observing the subject, often in a natural setting . While an individual observer is sometimes used, it is more common to utilize a group of observers.
- Documents : Letters, newspaper articles, administrative records, etc., are the types of documents often used as sources.
- Interviews : Interviews are one of the most important methods for gathering information in case studies. An interview can involve structured survey questions or more open-ended questions.
- Participant observation : When the researcher serves as a participant in events and observes the actions and outcomes, it is called participant observation.
- Physical artifacts : Tools, objects, instruments, and other artifacts are often observed during a direct observation of the subject.
Section 1: A Case History
This section will have the following structure and content:
Background information : The first section of your paper will present your client's background. Include factors such as age, gender, work, health status, family mental health history, family and social relationships, drug and alcohol history, life difficulties, goals, and coping skills and weaknesses.
Description of the presenting problem : In the next section of your case study, you will describe the problem or symptoms that the client presented with.
Describe any physical, emotional, or sensory symptoms reported by the client. Thoughts, feelings, and perceptions related to the symptoms should also be noted. Any screening or diagnostic assessments that are used should also be described in detail and all scores reported.
Your diagnosis : Provide your diagnosis and give the appropriate Diagnostic and Statistical Manual code. Explain how you reached your diagnosis, how the client's symptoms fit the diagnostic criteria for the disorder(s), or any possible difficulties in reaching a diagnosis.
Section 2: Treatment Plan
This portion of the paper will address the chosen treatment for the condition. This might also include the theoretical basis for the chosen treatment or any other evidence that might exist to support why this approach was chosen.
- Cognitive behavioral approach : Explain how a cognitive behavioral therapist would approach treatment. Offer background information on cognitive behavioral therapy and describe the treatment sessions, client response, and outcome of this type of treatment. Make note of any difficulties or successes encountered by your client during treatment.
- Humanistic approach : Describe a humanistic approach that could be used to treat your client, such as client-centered therapy . Provide information on the type of treatment you chose, the client's reaction to the treatment, and the end result of this approach. Explain why the treatment was successful or unsuccessful.
- Psychoanalytic approach : Describe how a psychoanalytic therapist would view the client's problem. Provide some background on the psychoanalytic approach and cite relevant references. Explain how psychoanalytic therapy would be used to treat the client, how the client would respond to therapy, and the effectiveness of this treatment approach.
- Pharmacological approach : If treatment primarily involves the use of medications, explain which medications were used and why. Provide background on the effectiveness of these medications and how monotherapy may compare with an approach that combines medications with therapy or other treatments.
This section of a case study should also include information about the treatment goals, process, and outcomes.
When you are writing a case study, you should also include a section where you discuss the case study itself, including the strengths and limitiations of the study. You should note how the findings of your case study might support previous research.
In your discussion section, you should also describe some of the implications of your case study. What ideas or findings might require further exploration? How might researchers go about exploring some of these questions in additional studies?
Here are a few additional pointers to keep in mind when formatting your case study:
- Never refer to the subject of your case study as "the client." Instead, their name or a pseudonym.
- Read examples of case studies to gain an idea about the style and format.
- Remember to use APA format when citing references .
A Word From Verywell
Case studies can be a useful research tool, but they need to be used wisely. In many cases, they are best utilized in situations where conducting an experiment would be difficult or impossible. They are helpful for looking at unique situations and allow researchers to gather a great deal of information about a specific individual or group of people.
If you have been directed to write a case study for a psychology course, be sure to check with your instructor for any specific guidelines that you are required to follow. If you are writing your case study for professional publication, be sure to check with the publisher for their specific guidelines for submitting a case study.
Simply Psychology. Case Study Method .
Crowe S, Cresswell K, Robertson A, Huby G, Avery A, Sheikh A. The case study approach . BMC Med Res Methodol . 2011 Jun 27;11:100. doi:10.1186/1471-2288-11-100
Gagnon, Yves-Chantal. The Case Study as Research Method: A Practical Handbook . Canada, Chicago Review Press Incorporated DBA Independent Pub Group, 2010.
Yin, Robert K. Case Study Research and Applications: Design and Methods . United States, SAGE Publications, 2017.
By Kendra Cherry Kendra Cherry, MS, is an author and educational consultant focused on helping students learn about psychology.
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Imagine it's your birthday and you come home to find your family has bought you your favourite cake, as they do every year.
Now imagine that your neighbour, on their birthday, cuts into a large apple pie instead of a cake. Everyone on your street gets cakes on their birthday except this one neighbour. This intrigues you and you start researching this unusual tradition. Why not a birthday cake? Is there some cultural or historical significance behind celebrating with a pie? If so, why is it an apple pie? Would having a cherry pie, for example, hold the same meaning?
The point of this (seemingly random) scenario is to understand why researchers may choose to use case studies in their research. To give you a good understanding of case studies, we will be looking at:
- In this explanation, we will explore the definition of case study research
- Next, we'll go over a description of how case studies are used
- After this, we'll explore the methodology of case studies
- Then, we'll take a look at some examples of case studies
- Finally, we'll take a look at the advantages and disadvantages of the case study method in sociology
Definition of case study research
Case studies are a research method sometimes used by sociologists. Research that takes the form of a case study can also be called a case study design. Let's examine the definition of a case study.
- Case studies are in-depth investigations focused on an individual person, group, community, organisation, situation, or event.
Description of case studies
Case studies are used in a wide range of academic research areas. For instance, they can be used to study the intricacies of a particular medical phenomenon or to investigate a certain historical event.
In social research, such as in sociology, case studies are a good way to investigate social phenomena or to understand how certain processes and groups within society operate.
A researcher could study the details of a serial killer's deviance (focusing on one individual) or explore the integration of asylum seekers and refugees in a particular neighbourhood (focusing on a specific group of people).
Let's consider some common features or characteristics of case studies.
Methodology of case studies
Case studies can use methodological pluralism (using a wide range of research methods) to achieve triangulation (cross-checking of data to increase validity).
Due to the use of methodological pluralism, case studies can produce both quantitative and qualitative data.
Case studies can sometimes also be longitudinal studies (researchers studying the data at regular intervals over a long period of time).
The sample of the case study (the person, group, event, etc that is being studied) is often chosen because they are unique or exceptional in some way, and researchers want to learn more. For instance, researchers may choose to study a group of 15 delinquent children in a certain school because they deviate from behavioural norms.
Data found from case studies can be used to formulate new social theories or to test the validity of existing theories.
Check out Longitudinal Studies for more information.
Because case studies have a narrow focus , they are not used to make wider claims about populations. However, although the focus is narrow, the scope of the project can be very extensive, e.g. if a researcher is studying a person's social development throughout childhood and adolescence.
Using case studies with other research methods
Case studies can be used to follow up on a survey to provide more depth to the investigation. A case study can also precede a survey to establish whether a phenomenon merits further research.
Methodological pluralism in case studies
Researchers can use methodological pluralism in case studies to obtain a wide range of data using a wide range of research methods. Although the research methods used vary from case to case, they may include the following:
Questionnaires
Observations
Examining videos and photos
Studying documents such as historical records or letters
Examples of case studies
Case studies are relevant not only to sociology but to many different fields, including history, politics, economics, law, and the media . Some well-known examples of case studies include research on:
A community
Karen O'Reilly's (2000) and Michaela Benson's (2011) research of expatriate Briton communities in Costa del Sol, Spain. They examined groups of British people in Spain, who were notorious for being drunkards.
Researchers dove behind the stereotypes of British expatriates in Costa del Sol and studied their everyday experiences. They also studied expats' reasons for migrating to Spain and found complex accounts of expatriate life through interviews .
Stephen Ball's (1981) study into underperforming working-class students at Beachside Comprehensive examined in detail why working-class students were not performing well in school. Ball carried out participant observation at the school for three years. Upon observing two groups of students, he found there was some differentiation between students, which harmed working-class students' education.
An organisation
Simon Holdaway's (1982, 1983) study of police service, w hilst serving as a sergeant. Holdaway carried out a covert ethnographic study of police work in the London Metropolitan Police Service.
The study is considered ground-breaking. Holdaway is referred to by some sociologists as a police research pioneer.
Graham Allison's (1971) study of the Cuban Missile Crisis. He wrote the ' Essence of Decision: Explaining the Cuban Missile Crisis ', analysing the historical events of 1962.
It was used as a case study to study governmental and political decision-making in further detail. The book is well-known in the study of international relations.
Advantages and disadvantages of case study method in sociology
Gauging the suitability of a case study for a research project depends on several considerations.
Advantages of case studies
Interpretivist sociologists favour case studies because they generate detailed, qualitative data and bring in-depth insights to the investigation.
Case studies that use methodological pluralism are highly valid as they have achieved triangulation.
Researchers can gather both qualitative and quantitative data.
It is comparably cheaper to study a small sample compared to researching a large sample.
Disadvantages of case studies
Case studies are criticised by positivists for small and unrepresentative sample sizes, meaning that findings cannot be generalised to the wider population.
Positivists also state case studies are difficult to replicate because of the unique circumstances of each case study.
Researcher bias and influence may affect the validity of the findings.
It can still be expensive and time-consuming to carry out a case study.
Depending on the nature of the case study, there may be ethical concerns , especially around sensitive information.
Case Studies - Key takeaways
- Case studies can use methodological pluralism to achieve triangulation. Methodological pluralism in case studies can include using questionnaires, interviews , observations, photos, videos, and documents to carry out research.
- Although the focus of case studies is narrow, their scope is extensive.
- The advantages of case studies include in-depth qualitative data, high validity, and cheaper costs.
- The disadvantages of case studies include unrepresentative sample sizes, lack of generalisability and replicability, researcher bias, and cost. They can also be time-consuming and potentially unethical.
Frequently Asked Questions about Case Studies
--> what is a case study.
A case study is an in-depth investigation focused on an individual person, group, community, organisation, situation, or event.
--> What is the purpose of case study research?
Case studies are used in a wide range of academic research areas. For instance, they can be used to study the intricacies of a particular medical phenomenon or to investigate a certain historical event.
--> What is case study research?
Case study research is research obtained through the case study design. A case study design is a research method.
--> Why is the case study method used in sociology?
--> how do you write a case study.
To write a case study, one must choose a topic, pick a methodology, choose a sample, conduct the study, analyse their data, and write up their findings.
Final Case Studies Quiz
Case studies quiz - teste dein wissen.
What are case studies?
Show answer
Case studies are in-depth investigations focused on an individual person, group, community, organisation, situation, or event.
Show question
Research that takes the form of a case study can also be called a _____.
Case study design
What is methodological pluralism?
Methodological pluralism is the use of a wide range of research methods.
Why do case studies use methodological pluralism?
To achieve triangulation.
Case studies can only produce qualitative data. True or false?
How can data from case studies be used?
Data found from case studies can be used to formulate new social theories of to test the validity of existing theories.
Case studies have a ____ focus but ____ scope.
Narrow, extensive.
A researcher wants to study 100 delinquent schoolchildren. Why might it not be a good idea to use a case study design?
Any of the following:
- the sample size is too large
- data collected may not be extensive
- costly and time-consuming
Which kind of sociologists favour case studies and why?
Interpretivist sociologists favour case studies because they generate detailed, qualitative data and bring in-depth insights into the investigation.
Case studies that use methodological pluralism are high in _____ as they have achieved triangulation.
It is often comparably cheaper to study a small sample compared to a large sample. True or false?
What kind of sociologists criticise case studies and why?
Case studies are criticised by positivists for small and unrepresentative sample sizes, meaning that findings cannot be generalised to the wider population.
According to positivists, why are case studies difficult to replicate?
Positivists state case studies are difficult to replicate because of the unique circumstances of each case study.
What can affect the validity of the findings of a case study?
Researcher bias and influence.
In sociology, what are case studies good for?
Case studies are a good way to investigate social phenomena or to understand how certain processes and groups within society operate.
- Sociology of Family
- Research Methods in Sociology
- Work, Poverty and Welfare
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Case Study Research Method in Psychology
Saul Mcleod, PhD
Educator, Researcher
BSc (Hons) Psychology, MRes, PhD, University of Manchester
Saul Mcleod, Ph.D., is a qualified psychology teacher with over 18 years experience of working in further and higher education.
Learn about our Editorial Process
Olivia Guy-Evans
Associate Editor for Simply Psychology
BSc (Hons), Psychology, MSc, Psychology of Education
Olivia Guy-Evans is a writer and associate editor for Simply Psychology. She has previously worked in healthcare and educational sectors.
Case studies are in-depth investigations of a single person, group, event, or community. Typically, data is gathered from various sources and by using several different methods (e.g., observations & interviews ).
In This Article
What are Case Studies?
The case study research method originated in clinical medicine (the case history, i.e., the patient’s personal history). In psychology, case studies are often confined to the study of a particular individual.
The information is mainly biographical and relates to events in the individual’s past (i.e., retrospective), as well as to significant events which are currently occurring in his or her everyday life.
The case study is not itself a research method, but researchers select methods of data collection and analysis that will generate material suitable for case studies.
Case studies are widely used in psychology, and amongst the best known were the ones carried out by Sigmund Freud, including Anna O and Little Hans .
Freud (1909a, 1909b) conducted very detailed investigations into the private lives of his patients in an attempt to both understand and help them overcome their illnesses. Even today, case histories are one of the main methods of investigation in abnormal psychology and psychiatry.
This makes it clear that the case study is a method that should only be used by a psychologist, therapist, or psychiatrist, i.e., someone with a professional qualification.
There is an ethical issue of competence. Only someone qualified to diagnose and treat a person can conduct a formal case study relating to atypical (i.e., abnormal) behavior or atypical development.
The procedure used in a case study means that the researcher provides a description of the behavior. This comes from interviews and other sources, such as observation.
The client also reports detail of events from his or her point of view. The researcher then writes up the information from both sources above as the case study and interprets the information.
The research may also continue for an extended period of time, so processes and developments can be studied as they happen.
Amongst the sources of data the psychologist is likely to turn to when carrying out a case study are observations of a person’s daily routine, unstructured interviews with the participant herself (and with people who know her), diaries, personal notes (e.g., letters, photographs, notes) or official document (e.g., case notes, clinical notes, appraisal reports).
The case study method often involves simply observing what happens to or reconstructing ‘the case history’ of a single participant or group of individuals (such as a school class or a specific social group), i.e., the idiographic approach .
The interview is also an extremely effective procedure for obtaining information about an individual, and it may be used to collect comments from the person’s friends, parents, employer, workmates, and others who have a good knowledge of the person, as well as to obtain facts from the person him or herself.
Most of this information is likely to be qualitative (i.e., verbal description rather than measurement), but the psychologist might collect numerical data as well.
The data collected can be analyzed using different theories (e.g., grounded theory, interpretative phenomenological analysis, text interpretation, e.g., thematic coding).
All the approaches mentioned here use preconceived categories in the analysis, and they are ideographic in their approach, i.e., they focus on the individual case without reference to a comparison group.
Interpreting the information means the researcher decides what to include or leave out. A good case study should always clarify which information is the factual description and which is an inference or the researcher’s opinion.
- Provides detailed (rich qualitative) information.
- Provides insight for further research.
- Permitting investigation of otherwise impractical (or unethical) situations.
Case studies allow a researcher to investigate a topic in far more detail than might be possible if they were trying to deal with a large number of research participants (nomothetic approach) with the aim of ‘averaging’.
Because of their in-depth, multi-sided approach, case studies often shed light on aspects of human thinking and behavior that would be unethical or impractical to study in other ways.
Research that only looks into the measurable aspects of human behavior is not likely to give us insights into the subjective dimension of experience, which is important to psychoanalytic and humanistic psychologists.
Case studies are often used in exploratory research. They can help us generate new ideas (that might be tested by other methods). They are an important way of illustrating theories and can help show how different aspects of a person’s life are related to each other.
The method is, therefore, important for psychologists who adopt a holistic point of view (i.e., humanistic psychologists ).
Limitations
- Lacking scientific rigor and providing little basis for generalization of results to the wider population.
- Researchers’ own subjective feelings may influence the case study (researcher bias).
- Difficult to replicate.
- Time-consuming and expensive.
- The volume of data, together with the time restrictions in place, impacted the depth of analysis that was possible within the available resources.
Because a case study deals with only one person/event/group, we can never be sure if the case study investigated is representative of the wider body of “similar” instances. This means the conclusions drawn from a particular case may not be transferable to other settings.
Because case studies are based on the analysis of qualitative (i.e., descriptive) data, a lot depends on the psychologist’s interpretation of the information she has acquired.
This means that there is a lot of scope for observer bias , and it could be that the subjective opinions of the psychologist intrude in the assessment of what the data means.
For example, Freud has been criticized for producing case studies in which the information was sometimes distorted to fit particular behavioral theories (e.g., Little Hans ).
This is also true of Money’s interpretation of the Bruce/Brenda case study (Diamond, 1997) when he ignored evidence that went against his theory.
How to reference this article:
McLeod, S. A. (2019, August 03). Case study method . Simply Psychology. simplypsychology.org/case-study.html
Diamond, M., & Sigmundson, K. (1997). Sex Reassignment at Birth: Long-term Review and Clinical Implications. Archives of Pediatrics & Adolescent Medicine , 151(3), 298-304
Freud, S. (1909a). Analysis of a phobia of a five year old boy. In The Pelican Freud Library (1977), Vol 8, Case Histories 1, pages 169-306
Freud, S. (1909b). Bemerkungen über einen Fall von Zwangsneurose (Der “Rattenmann”). Jb. psychoanal. psychopathol. Forsch ., I, p. 357-421; GW, VII, p. 379-463; Notes upon a case of obsessional neurosis, SE , 10: 151-318.
Further Information
- Case Study Approach
- Case Study Method
- Enhancing the Quality of Case Studies in Health Services Research
- “We do things together” A case study of “couplehood” in dementia
- Using mixed methods for evaluating an integrative approach to cancer care: a case study
- Little Hans – Freudian Case Study
- H.M. Case Study
- Anna O – Freudian Case Study
- Genie Case Study – Curtiss (1977)
- SAVE ARTICLE
Conducting Case Study Research in Sociology
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A case study is a research method that relies on a single case rather than a population or sample. When researchers focus on a single case, they can make detailed observations over a long period of time, something that cannot be done with large samples without costing a lot of money. Case studies are also useful in the early stages of research when the goal is to explore ideas, test, and perfect measurement instruments, and to prepare for a larger study. The case study research method is popular not just within the field of sociology, but also within the fields of anthropology, psychology, education, political science, clinical science, social work, and administrative science.
Overview of the Case Study Research Method
A case study is unique within the social sciences for its focus of study on a single entity, which can be a person, group or organization, event, action, or situation. It is also unique in that, as a focus of research, a case is chosen for specific reasons, rather than randomly , as is usually done when conducting empirical research. Often, when researchers use the case study method, they focus on a case that is exceptional in some way because it is possible to learn a lot about social relationships and social forces when studying those things that deviate from norms. In doing so, a researcher is often able, through their study, to test the validity of the social theory, or to create new theories using the grounded theory method .
The first case studies in the social sciences were likely conducted by Pierre Guillaume Frédéric Le Play, a 19th-century French sociologist and economist who studied family budgets. The method has been used in sociology, psychology, and anthropology since the early 20th century.
Within sociology, case studies are typically conducted with qualitative research methods . They are considered micro rather than macro in nature , and one cannot necessarily generalize the findings of a case study to other situations. However, this is not a limitation of the method, but a strength. Through a case study based on ethnographic observation and interviews, among other methods, sociologists can illuminate otherwise hard to see and understand social relations, structures, and processes. In doing so, the findings of case studies often stimulate further research.
Types and Forms of Case Studies
There are three primary types of case studies: key cases, outlier cases, and local knowledge cases.
- Key cases are those which are chosen because the researcher has a particular interest in it or the circumstances surrounding it.
- Outlier cases are those that are chosen because the case stands out from other events, organizations, or situations, for some reason, and social scientists recognize that we can learn a lot from those things that differ from the norm .
- Finally, a researcher may decide to conduct a local knowledge case study when they already have amassed a usable amount of information about a given topic, person, organization, or event, and so is well-poised to conduct a study of it.
Within these types, a case study may take four different forms: illustrative, exploratory, cumulative, and critical.
- Illustrative case studies are descriptive in nature and designed to shed light on a particular situation, set of circumstances, and the social relations and processes that are embedded in them. They are useful in bringing to light something about which most people are not aware of.
- Exploratory case studies are also often known as pilot studies . This type of case study is typically used when a researcher wants to identify research questions and methods of study for a large, complex study. They are useful for clarifying the research process, which can help a researcher make the best use of time and resources in the larger study that will follow it.
- Cumulative case studies are those in which a researcher pulls together already completed case studies on a particular topic. They are useful in helping researchers to make generalizations from studies that have something in common.
- Critical instance case studies are conducted when a researcher wants to understand what happened with a unique event and/or to challenge commonly held assumptions about it that may be faulty due to a lack of critical understanding.
Whatever type and form of case study you decide to conduct, it's important to first identify the purpose, goals, and approach for conducting methodologically sound research.
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Encyclopedia of Case Study Research
- Edited by: Albert J. Mills , Gabrielle Durepos & Elden Wiebe
- Publisher: SAGE Publications, Inc.
- Publication year: 2010
- Online pub date: December 27, 2012
- Discipline: Anthropology , Business and Management , Criminology and Criminal Justice , Communication and Media Studies , Economics , Education , Geography , Health , Marketing , Nursing , Political Science and International Relations , Psychology , Social Policy and Public Policy , Social Work , Sociology
- Methods: Case study research
- DOI: https:// doi. org/10.4135/9781412957397
- Print ISBN: 9781412956703
- Online ISBN: 9781412957397
- Buy the book icon link
Reader's guide
Entries a-z, subject index.
Case study research has a long history within the natural sciences, social sciences, and humanities, dating back to the early 1920's. At first it was a useful way for researchers to make valid inferences from events outside the laboratory in ways consistent with the rigorous practices of investigation inside the lab. Over time, case study approaches garnered interest in multiple disciplines as scholars studied phenomena in context. Despite widespread use, case study research has received little attention among the literature on research strategies.
The Encyclopedia of Case Study Research provides a compendium on the important methodological issues in conducting case study research and explores both the strengths and weaknesses of different paradigmatic approaches. These two volumes focus on the distinctive characteristics of case study research and its place within and alongside other research methodologies.
Key Features
Presents a definition of case study research that can be used in different fields of study; Describes case study as a research strategy rather than as a single tool for decision making and inquiry; Guides rather than dictates, readers understanding and applications of case study research; Includes a critical summary in each entry, which raises additional matters for reflection; Makes case study relevant to researchers at various stages of their careers, across philosophic divides, and throughout diverse disciplines
Academic Disciplines; Case Study Research Design; Conceptual Issues; Data Analysis; Data Collection; Methodological Approaches; Theoretical Traditions; Theory Development and Contributions
From Case Study Research
Types of Case Study Research
Front Matter
- Editorial Board
- List of Entries
- Reader's Guide
- About the Editors
- Contributors
- Introduction
Reader’s Guide
Back matter.
- Selected Bibliography: Case Study Publications by Contributing Authors
- Case Study Research in Anthropology
- Before-and-After Case Study Design
- Action-Based Data Collection
- Activity Theory
- Case Study and Theoretical Science
- Analytic Generalization
- ANTi-History
- Case Study Research in Business and Management
- Blended Research Design
- Bayesian Inference and Boolean Logic
- Analysis of Visual Data
- Actor-Network Theory
- Chicago School
- Case Study as a Teaching Tool
- Case Study Research in Business Ethics
- Bounding the Case
- Authenticity and Bad Faith
- Anonymity and Confidentiality
- Colonialism
- Authenticity
- Case Study in Creativity Research
- Case Study Research in Education
- Case Selection
- Author Intentionality
- Case-to-Case Synthesis
- Anonymizing Data for Secondary Use
- Autoethnography
- Constructivism
- Concatenated Theory
- Case Study Research in Tourism
- Case Study Research in Feminism
- Causal Case Study: Explanatory Theories
- Archival Records as Evidence
- Base and Superstructure
- Critical Realism
- Conceptual Argument
- Case Study With the Elderly
- Case Study Research in Medicine
- Case Within a Case
- Contentious Issues in Case Study Research
- Chronological Order
- Audiovisual Recording
- Case Study as a Methodological Approach
- Critical Theory
- Conceptual Model: Causal Model
- Collective Case Study
- Case Study Research in Political Science
- Comparative Case Study
- Cultural Sensitivity and Case Study
- Coding: Axial Coding
- Autobiography
- Dialectical Materialism
- Conceptual Model: Operationalization
- Configurative-Ideographic Case Study
- Case Study Research in Psychology
- Critical Incident Case Study
- Dissertation Proposal
- Coding: Open Coding
- Case Study Database
- Class Analysis
- Epistemology
- Conceptual Model in a Qualitative Research Project
- Critical Pedagogy and Digital Technology
- Case Study Research in Public Policy
- Cross-Sectional Design
- Ecological Perspectives
- Coding: Selective Coding
- Case Study Protocol
- Existentialism
- Conceptual Model in a Quantitative Research Project
- Diagnostic Case Study Research
- Decision Making Under Uncertainty
- Cognitive Biases
- Case Study Surveys
- Codifying Social Practices
- Contribution, Theoretical
- Explanatory Case Study
- Deductive-Nomological Model of Explanation
- Masculinity and Femininity
- Cognitive Mapping
- Consent, Obtaining Participant
- Communicative Action
- Formative Context
- Credibility
- Exploratory Case Study
- Deviant Case Analysis
- Objectivism
- Communicative Framing Analysis
- Contextualization
- Community of Practice
- Frame Analysis
- Docile Bodies
- Inductivism
- Discursive Frame
- Comparing the Case Study With Other Methodologies
- Historical Materialism
- Equifinality
- Institutional Ethnography
- Healthcare Practice Guidelines
- Computer-Based Analysis of Qualitative Data: ATLAS.ti
- Consciousness Raising
- Interpretivism
- Instrumental Case Study
- Pedagogy and Case Study
- Pluralism and Case Study
- Computer-Based Analysis of Qualitative Data: CAITA (Computer-Assisted Interpretive Textual Analysis)
- Data Resources
- Contradiction
- Liberal Feminism
- Explanation Building
- Intercultural Performance
- Event-Driven Research
- Computer-Based Analysis of Qualitative Data: Kwalitan
- Depth of Data
- Critical Discourse Analysis
- Managerialism
- Extension of Theory
- Intrinsic Case Study
- Exemplary Case Design
- Power/Knowledge
- Computer-Based Analysis of Qualitative Data: MAXQDA 2007
- Diaries and Journals
- Critical Sensemaking
- Falsification
- Limited-Depth Case Study
- Extended Case Method
- Computer-Based Analysis of Qualitative Data: NVIVO
- Direct Observation as Evidence
- North American Case Research Association
- Functionalism
- Multimedia Case Studies
- Extreme Cases
- Researcher as Research Tool
- Concept Mapping
- Discourse Analysis
- Decentering Texts
- Generalizability
- Participatory Action Research
- Congruence Analysis
- Documentation as Evidence
- Deconstruction
- Paradigm Plurality in Case Study Research
- Genericization
- Participatory Case Study
- Holistic Designs
- Utilitarianism
- Constant Causal Effects Assumption
- Ethnostatistics
- Dialogic Inquiry
- Philosophy of Science
- Indeterminacy
- Content Analysis
- Fiction Analysis
- Discourse Ethics
- Indexicality
- Pracademics
- Integrating Independent Case Studies
- Conversation Analysis
- Field Notes
- Double Hermeneutic
- Postcolonialism
- Processual Case Research
- Cross-Case Synthesis and Analysis
- Postmodernism
- Macrolevel Social Mechanisms
- Program Evaluation and Case Study
- Longitudinal Research
- Going Native
- Ethnographic Memoir
- Postpositivism
- Middle-Range Theory
- Program-Logic Model
- Mental Framework
- Document Analysis
- Informant Bias
- Ethnography
- Poststructuralism
- Naturalistic Generalization
- Prospective Case Study
- Mixed Methods in Case Study Research
- Factor Analysis
- Ethnomethodology
- Poststructuralist Feminism
- Overdetermination
- Real-Time Cases
- Most Different Systems Design
- Eurocentrism
- Radical Empiricism
- Plausibility
- Retrospective Case Study
- High-Quality Analysis
- Iterative Nodes
- Radical Feminism
- Probabilistic Explanation
- Re-Use of Qualitative Data
- Multiple-Case Designs
- Language and Cultural Barriers
- Process Tracing
- Single-Case Designs
- Multi-Site Case Study
- Interactive Methodology, Feminist
- Multiple Sources of Evidence
- Scientific Method
- Spiral Case Study
- Naturalistic Inquiry
- Interpreting Results
- Narrative Analysis
- Front Stage and Back Stage
- Scientific Realism
- Reporting Case Study Research
- Storyselling
- Natural Science Model
- Socialist Feminism
- Rhetoric in Research Reporting
- Number of Cases
- Naturalistic Context
- Symbolic Interactionism
- Statistical Generalization
- Outcome-Driven Research
- Knowledge Production
- Nonparticipant Observation
- Governmentality
- Substantive Theory
- Paradigmatic Cases
- Method of Agreement
- Objectivity
- Grounded Theory
- Theory-Building With Cases
- Method of Difference
- Over-Rapport
- Hermeneutics
- Theory-Testing With Cases
- Multicollinearity
- Participant Observation
- Underdetermination
- Multidimensional Scaling
- Imperialism
- Polar Types
- Institutional Theory, Old and New
- Problem Formulation
- Pattern Matching
- Personality Tests
- Intertextuality
- Quantitative Single-Case Research Design
- Re-Analysis of Previous Data
- Isomorphism
- Quasi-Experimental Design
- Regulating Group Mind
- Questionnaires
- Langue and Parôle
- Quick Start to Case Study Research
- Relational Analysis
- Reflexivity
- Layered Nature of Texts
- Random Assignment
- Replication
- Life History
- Research Framework
- Reliability
- Logocentrism
- Research Objectives
- Rival Explanations
- Repeated Observations
- Management of Impressions
- Research Proposals
- Secondary Data as Primary
- Researcher-Participant Relationship
- Means of Production
- Research Questions, Types of Retrospective Case Study
- Serendipity Pattern
- Situational Analysis
- Sensitizing Concepts
- Modes of Production
- Standpoint Analysis
- Subjectivism
- Multimethod Research Program
- Socially Distributed Knowledge
- Statistical Analysis
- Subject Rights
- Multiple Selfing
- Theoretical Saturation
- Native Points of View
- Statistics, Use of in Case Study
- Temporal Bracketing
- Triangulation
- Negotiated Order
- Textual Analysis
- Use of Digital Data
- Network Analysis
- Thematic Analysis
- Utilization
- One-Dimensional Culture
- Visual Research Methods
- Ordinary Troubles
- Theory, Role of
- Organizational Culture
- Webs of Significance
- Within-Case Analysis
- Performativity
- Phenomenology
- Practice-Oriented Research
- Primitivism
- Qualitative Analysis in Case Study
- Qualitative Comparative Analysis
- Self-Confrontation Method
- Self-Presentation
- Sensemaking
- Signifier and Signified
- Sign System
- Social-Interaction Theory
- Storytelling
- Structuration
- Symbolic Value
- Symbolic Violence
- Thick Description
- Writing and Difference
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Case Study Examples
This post was originally posted as part of the February 2021Methodspace focus on Choosing Methodology and Methods .
Open-Access Articles Using Case Study Methodology
As you can see from this collection, case study methods are used in both qualitative and quantitative research.
Ang, C.-S., Lee, K.-F., & Dipolog-Ubanan, G. F. (2019). Determinants of First-Year Student Identity and Satisfaction in Higher Education: A Quantitative Case Study. SAGE Open. https://doi.org/10.1177/2158244019846689
Abstract. First-year undergraduates’ expectations and experience of university and student engagement variables were investigated to determine how these perceptions influence their student identity and overall course satisfaction. Data collected from 554 first-year undergraduates at a large private university were analyzed. Participants were given the adapted version of the Melbourne Centre for the Study of Higher Education Survey to self-report their learning experience and engagement in the university community. The results showed that, in general, the students’ reasons of pursuing tertiary education were to open the door to career opportunities and skill development. Moreover, students’ views on their learning and university engagement were at the moderate level. In relation to student identity and overall student satisfaction, it is encouraging to state that their perceptions of studentship and course satisfaction were rather positive. After controlling for demographics, student engagement appeared to explain more variance in student identity, whereas students’ expectations and experience explained greater variance in students’ overall course satisfaction. Implications for practice, limitations, and recommendation of this study are addressed.
Baker, A. J. (2017). Algorithms to Assess Music Cities: Case Study—Melbourne as a Music Capital. SAGE Open. https://doi.org/10.1177/2158244017691801
Abstract. The global Mastering of a Music City report in 2015 notes that the concept of music cities has penetrated the global political vernacular because it delivers “significant economic, employment, cultural and social benefits.” This article highlights that no empirical study has combined all these values and offers a relevant and comprehensive definition of a music city. Drawing on industry research,1 the article assesses how mathematical flowcharts, such as Algorithm A (Economics), Algorithm B (Four T’s creative index), and Algorithm C (Heritage), have contributed to the definition of a music city. Taking Melbourne as a case study, it illustrates how Algorithms A and B are used as disputed evidence about whether the city is touted as Australia’s music capital. The article connects the three algorithms to an academic framework from musicology, urban studies, cultural economics, and sociology, and proposes a benchmark Algorithm D (Music Cities definition), which offers a more holistic assessment of music activity in any urban context. The article concludes by arguing that Algorithm D offers a much-needed definition of what comprises a music city because it builds on the popular political economy focus and includes the social importance of space and cultural practices.
Brown, K., & Mondon, A. (2020). Populism, the media, and the mainstreaming of the far right: The Guardian’s coverage of populism as a case study. Politics. https://doi.org/10.1177/0263395720955036
Abstract. Populism seems to define our current political age. The term is splashed across the headlines, brandished in political speeches and commentaries, and applied extensively in numerous academic publications and conferences. This pervasive usage, or populist hype, has serious implications for our understanding of the meaning of populism itself and for our interpretation of the phenomena to which it is applied. In particular, we argue that its common conflation with far-right politics, as well as its breadth of application to other phenomena, has contributed to the mainstreaming of the far right in three main ways: (1) agenda-setting power and deflection, (2) euphemisation and trivialisation, and (3) amplification. Through a mixed-methods approach to discourse analysis, this article uses The Guardian newspaper as a case study to explore the development of the populist hype and the detrimental effects of the logics that it has pushed in public discourse.
Droy, L. T., Goodwin, J., & O’Connor, H. (2020). Methodological Uncertainty and Multi-Strategy Analysis: Case Study of the Long-Term Effects of Government Sponsored Youth Training on Occupational Mobility. Bulletin of Sociological Methodology/Bulletin de Méthodologie Sociologique, 147–148(1–2), 200–230. https://doi.org/10.1177/0759106320939893
Abstract. Sociological practitioners often face considerable methodological uncertainty when undertaking a quantitative analysis. This methodological uncertainty encompasses both data construction (e.g. defining variables) and analysis (e.g. selecting and specifying a modelling procedure). Methodological uncertainty can lead to results that are fragile and arbitrary. Yet, many practitioners may be unaware of the potential scale of methodological uncertainty in quantitative analysis, and the recent emergence of techniques for addressing it. Recent proposals for ‘multi-strategy’ approaches seek to identify and manage methodological uncertainty in quantitative analysis. We present a case-study of a multi-strategy analysis, applied to the problem of estimating the long-term impact of 1980s UK government-sponsored youth training. We use this case study to further highlight the problem of cumulative methodological fragilities in applied quantitative sociology and to discuss and help develop multi-strategy analysis as a tool to address them.
Ebneyamini, S., & Sadeghi Moghadam, M. R. (2018). Toward Developing a Framework for Conducting Case Study Research . International Journal of Qualitative Methods . https://doi.org/10.1177/1609406918817954
Abstract. This article reviews the use of case study research for both practical and theoretical issues especially in management field with the emphasis on management of technology and innovation. Many researchers commented on the methodological issues of the case study research from their point of view thus, presenting a comprehensive framework was missing. We try representing a general framework with methodological and analytical perspective to design, develop, and conduct case study research. To test the coverage of our framework, we have analyzed articles in three major journals related to the management of technology and innovation to approve our framework. This study represents a general structure to guide, design, and fulfill a case study research with levels and steps necessary for researchers to use in their research.
Lynch, R., Young, J. C., Boakye-Achampong, S., Jowaisas, C., Sam, J., & Norlander, B. (2020). Benefits of crowdsourcing for libraries: A case study from Africa . IFLA Journal. https://doi.org/10.1177/0340035220944940
Abstract. Many libraries in the Global South do not collect comprehensive data about themselves, which creates challenges in terms of local and international visibility. Crowdsourcing is an effective tool that engages the public to collect missing data, and it has proven to be particularly valuable in countries where governments collect little public data. Whereas crowdsourcing is often used within fields that have high levels of development funding, such as health, the authors believe that this approach would have many benefits for the library field as well. They present qualitative and quantitative evidence from 23 African countries involved in a crowdsourcing project to map libraries. The authors find benefits in terms of increased connections between stakeholders, capacity-building, and increased local visibility. These findings demonstrate the potential of crowdsourced approaches for tasks such as mapping to benefit libraries and similarly positioned institutions in the Global South in multifaceted ways.
Rashid, Y., Rashid, A., Warraich, M. A., Sabir, S. S., & Waseem, A. (2019). Case Study Method: A Step-by-Step Guide for Business Researchers . International Journal of Qualitative Methods . https://doi.org/10.1177/1609406919862424
Abstract. Qualitative case study methodology enables researchers to conduct an in-depth exploration of intricate phenomena within some specific context. By keeping in mind research students, this article presents a systematic step-by-step guide to conduct a case study in the business discipline. Research students belonging to said discipline face issues in terms of clarity, selection, and operationalization of qualitative case study while doing their final dissertation. These issues often lead to confusion, wastage of valuable time, and wrong decisions that affect the overall outcome of the research. This article presents a checklist comprised of four phases, that is, foundation phase, prefield phase, field phase, and reporting phase. The objective of this article is to provide novice researchers with practical application of this checklist by linking all its four phases with the authors’ experiences and learning from recently conducted in-depth multiple case studies in the organizations of New Zealand. Rather than discussing case study in general, a targeted step-by-step plan with real-time research examples to conduct a case study is given.
VanWynsberghe, R., & Khan, S. (2007). Redefining Case Study. International Journal of Qualitative Methods, 80–94. https://doi.org/10.1177/160940690700600208
Abstract. In this paper the authors propose a more precise and encompassing definition of case study than is usually found. They support their definition by clarifying that case study is neither a method nor a methodology nor a research design as suggested by others. They use a case study prototype of their own design to propose common properties of case study and demonstrate how these properties support their definition. Next, they present several living myths about case study and refute them in relation to their definition. Finally, they discuss the interplay between the terms case study and unit of analysis to further delineate their definition of case study. The target audiences for this paper include case study researchers, research design and methods instructors, and graduate students interested in case study research.
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Case Study Research – Everything You Wanted to Know
Case study research remains a controversial data collection approach. However, it is recognized widely in different social studies. That’s because it enables researchers to provide in-depth explanations of different social behaviors.
Table of Contents
What is case study research, methods used in case study research, types of case study research, example of case study research, how to do case study research.
Perhaps, you’re wondering, what is a case study research? Maybe you want to know what it involves. Well, this is a research method that utilizes reports from past studies. It allows researchers to explore and understand complex issues using those reports. This research method may be considered robust, especially when researchers require holistic, in-depth investigation.
Most social sciences recognize case study research design and methods and their roles have become more prominent. This approach is used to research and write about topics in education, sociology, and community-based issues like drug addiction, poverty, and unemployment.
In social studies, the case study is a research method in which a phenomenon is investigated in its real-life context. It’s an empirical inquiry and research strategy that is based on an in-depth investigation of a group, event, or individual to explore the underlying principles causes.
Essentially, this study can be defined as an exploratory and descriptive analysis of a case. But, what is a case study in research? Well, a case can be anything that a researcher wants to investigate. This can include a person, a group, an event, a decision, a policy, period, institution, or any other system that can be studied historically.
This type of research uses the same study methodology with other research types. But, the most common case study research method starts with the definition of a single case. It can also be a group comprising similar cases. These can be incorporated for a multiple-case study.
This is followed by a search to determine what is already known about the case or cases. This search can involve a review of grey literature, reports, and media content. This review plays a critical role in enabling the researchers to understand the case. It also informs researchers when it comes to developing case study research questions.
In most case studies, data is often qualitative, though not exclusively. Thus, researchers engage in case study qualitative research. When researchers use multiple cases, they analyze each case separately. Themes can arise from assertions or analysis about the entire case.
Case study research methodology can include: Personal interviews Archival records Psychometric tests Direct observation
Case studies are more in-depth when compared to observational research. That’s because they use several records or measures while focusing on a single subject. In some cases, a multiple-case design can be used. What’s more, a case study can be retrospective or prospective. A retrospective case study uses criteria to choose cases from historical records. Prospective case studies, on the other hand, uses established criteria while including extra cases as long as they meet the set criteria.
Because case studies use qualitative data like the one collected from interviews, they tend to be more liable. However, quantitative data and questionnaires can also be used. For instance, a case study can be used in clinical research to monitor and determine the effectiveness of treatment.
When you research case study, you explore causation to identify the underlying principles. But, they can’t be generalized to a larger population the way researchers do when conducting experimental research. They also can’t provide predictive power the same way correlational research can do. Rather, they provide extensive data that can be used to develop new hypotheses that can be used for further research. It can also be used to study rare conditions or events that are hard-to-study.
A case study research paper can fall into any of these categories:
- Illustrative case study- This is a descriptive type of case study. It uses one or two instances to describe an event. The purpose of an illustrative case study is to make what is considered unfamiliar familiar. It also provides a common language for the readers about a subject.
- Exploratory case study- This is also called a pilot case study. It comprises condensed case studies that are performed before a large-scale investigation. Its purpose is to help researchers identify research questions and select the measurement types before the main investigation. The major drawback of this study is that it can make initial findings convincing and lead to their premature release as conclusions.
- Cumulative case study- This is a case study that entails the aggregation of information from different sources that were collected at varying times. The goal is to collect past studies to enhance generalization without spending more time or cost on new and probably repetitive studies.
- Critical instance case study- This examines one or several sites to examine a situation of specific interest with no or little interest in generalizing them. It can also be used to challenge or question universal or highly generalized assertions. This method can be used to answer the cause and effect study questions.
People may define case study research differently based on these major types of this investigation. Nevertheless, it’s an intensive and systematic investigation of a group, community, individuals, or other units where the researchers examine in-depth data that relate to several variables.
Case study definition in research may vary. However, students should be keen to choose topics they are comfortable researching and writing about. Here are case study research question examples that be used for this kind of investigation.
- How and why are employees abusing drugs at workplaces?
- How is social media influencing modern businesses?
- What are the most effective ways for small businesses to plan their advertising budget?
- How can social media ads help in driving customers?
- How can employees engage during tough times?
- How can a business consider small customers to make bigger profits?
- How good is care quality for complex patients at major Nurse Practitioner-Led Clinics?
- How effective are pediatric pain management practices by nurses?
Different data collection methods can be used to assess and understand each case separately. This can lead to a better understanding of the phenomenon under investigation. The goal of the case study research design is to provide a framework that can be used to evaluate and analyze complex issues. For instance, in the last two examples above, a case study can be used to shed light on the nursing practice as a holistic approach. It can also provide a perspective that will inform the nurses to give improved care to their patients.
When writing a case study paper, follow these steps, suggested by our writing professionals :
- Determine the case to study, data collection methods, and the information to gather.
- Select the subjects or people to participate in the case study.
- Prepare relevant materials like questionnaires to collect relevant information. This should also include your research problem.
- Use the collected data to write your case.
- Add the appendices and references
- Proofread and edit your final case study paper
In a nutshell, a case study entails collecting data that leads to a better understanding of a phenomenon. The methodology of a case study provides a framework that is used to analyze and evaluate more complex issues.
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- Open Access
- Published: 27 June 2011
The case study approach
- Sarah Crowe 1 ,
- Kathrin Cresswell 2 ,
- Ann Robertson 2 ,
- Guro Huby 3 ,
- Anthony Avery 1 &
- Aziz Sheikh 2
BMC Medical Research Methodology volume 11 , Article number: 100 ( 2011 ) Cite this article
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The case study approach allows in-depth, multi-faceted explorations of complex issues in their real-life settings. The value of the case study approach is well recognised in the fields of business, law and policy, but somewhat less so in health services research. Based on our experiences of conducting several health-related case studies, we reflect on the different types of case study design, the specific research questions this approach can help answer, the data sources that tend to be used, and the particular advantages and disadvantages of employing this methodological approach. The paper concludes with key pointers to aid those designing and appraising proposals for conducting case study research, and a checklist to help readers assess the quality of case study reports.
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Introduction
The case study approach is particularly useful to employ when there is a need to obtain an in-depth appreciation of an issue, event or phenomenon of interest, in its natural real-life context. Our aim in writing this piece is to provide insights into when to consider employing this approach and an overview of key methodological considerations in relation to the design, planning, analysis, interpretation and reporting of case studies.
The illustrative 'grand round', 'case report' and 'case series' have a long tradition in clinical practice and research. Presenting detailed critiques, typically of one or more patients, aims to provide insights into aspects of the clinical case and, in doing so, illustrate broader lessons that may be learnt. In research, the conceptually-related case study approach can be used, for example, to describe in detail a patient's episode of care, explore professional attitudes to and experiences of a new policy initiative or service development or more generally to 'investigate contemporary phenomena within its real-life context' [ 1 ]. Based on our experiences of conducting a range of case studies, we reflect on when to consider using this approach, discuss the key steps involved and illustrate, with examples, some of the practical challenges of attaining an in-depth understanding of a 'case' as an integrated whole. In keeping with previously published work, we acknowledge the importance of theory to underpin the design, selection, conduct and interpretation of case studies[ 2 ]. In so doing, we make passing reference to the different epistemological approaches used in case study research by key theoreticians and methodologists in this field of enquiry.
This paper is structured around the following main questions: What is a case study? What are case studies used for? How are case studies conducted? What are the potential pitfalls and how can these be avoided? We draw in particular on four of our own recently published examples of case studies (see Tables 1 , 2 , 3 and 4 ) and those of others to illustrate our discussion[ 3 – 7 ].
What is a case study?
A case study is a research approach that is used to generate an in-depth, multi-faceted understanding of a complex issue in its real-life context. It is an established research design that is used extensively in a wide variety of disciplines, particularly in the social sciences. A case study can be defined in a variety of ways (Table 5 ), the central tenet being the need to explore an event or phenomenon in depth and in its natural context. It is for this reason sometimes referred to as a "naturalistic" design; this is in contrast to an "experimental" design (such as a randomised controlled trial) in which the investigator seeks to exert control over and manipulate the variable(s) of interest.
Stake's work has been particularly influential in defining the case study approach to scientific enquiry. He has helpfully characterised three main types of case study: intrinsic , instrumental and collective [ 8 ]. An intrinsic case study is typically undertaken to learn about a unique phenomenon. The researcher should define the uniqueness of the phenomenon, which distinguishes it from all others. In contrast, the instrumental case study uses a particular case (some of which may be better than others) to gain a broader appreciation of an issue or phenomenon. The collective case study involves studying multiple cases simultaneously or sequentially in an attempt to generate a still broader appreciation of a particular issue.
These are however not necessarily mutually exclusive categories. In the first of our examples (Table 1 ), we undertook an intrinsic case study to investigate the issue of recruitment of minority ethnic people into the specific context of asthma research studies, but it developed into a instrumental case study through seeking to understand the issue of recruitment of these marginalised populations more generally, generating a number of the findings that are potentially transferable to other disease contexts[ 3 ]. In contrast, the other three examples (see Tables 2 , 3 and 4 ) employed collective case study designs to study the introduction of workforce reconfiguration in primary care, the implementation of electronic health records into hospitals, and to understand the ways in which healthcare students learn about patient safety considerations[ 4 – 6 ]. Although our study focusing on the introduction of General Practitioners with Specialist Interests (Table 2 ) was explicitly collective in design (four contrasting primary care organisations were studied), is was also instrumental in that this particular professional group was studied as an exemplar of the more general phenomenon of workforce redesign[ 4 ].
What are case studies used for?
According to Yin, case studies can be used to explain, describe or explore events or phenomena in the everyday contexts in which they occur[ 1 ]. These can, for example, help to understand and explain causal links and pathways resulting from a new policy initiative or service development (see Tables 2 and 3 , for example)[ 1 ]. In contrast to experimental designs, which seek to test a specific hypothesis through deliberately manipulating the environment (like, for example, in a randomised controlled trial giving a new drug to randomly selected individuals and then comparing outcomes with controls),[ 9 ] the case study approach lends itself well to capturing information on more explanatory ' how ', 'what' and ' why ' questions, such as ' how is the intervention being implemented and received on the ground?'. The case study approach can offer additional insights into what gaps exist in its delivery or why one implementation strategy might be chosen over another. This in turn can help develop or refine theory, as shown in our study of the teaching of patient safety in undergraduate curricula (Table 4 )[ 6 , 10 ]. Key questions to consider when selecting the most appropriate study design are whether it is desirable or indeed possible to undertake a formal experimental investigation in which individuals and/or organisations are allocated to an intervention or control arm? Or whether the wish is to obtain a more naturalistic understanding of an issue? The former is ideally studied using a controlled experimental design, whereas the latter is more appropriately studied using a case study design.
Case studies may be approached in different ways depending on the epistemological standpoint of the researcher, that is, whether they take a critical (questioning one's own and others' assumptions), interpretivist (trying to understand individual and shared social meanings) or positivist approach (orientating towards the criteria of natural sciences, such as focusing on generalisability considerations) (Table 6 ). Whilst such a schema can be conceptually helpful, it may be appropriate to draw on more than one approach in any case study, particularly in the context of conducting health services research. Doolin has, for example, noted that in the context of undertaking interpretative case studies, researchers can usefully draw on a critical, reflective perspective which seeks to take into account the wider social and political environment that has shaped the case[ 11 ].
How are case studies conducted?
Here, we focus on the main stages of research activity when planning and undertaking a case study; the crucial stages are: defining the case; selecting the case(s); collecting and analysing the data; interpreting data; and reporting the findings.
Defining the case
Carefully formulated research question(s), informed by the existing literature and a prior appreciation of the theoretical issues and setting(s), are all important in appropriately and succinctly defining the case[ 8 , 12 ]. Crucially, each case should have a pre-defined boundary which clarifies the nature and time period covered by the case study (i.e. its scope, beginning and end), the relevant social group, organisation or geographical area of interest to the investigator, the types of evidence to be collected, and the priorities for data collection and analysis (see Table 7 )[ 1 ]. A theory driven approach to defining the case may help generate knowledge that is potentially transferable to a range of clinical contexts and behaviours; using theory is also likely to result in a more informed appreciation of, for example, how and why interventions have succeeded or failed[ 13 ].
For example, in our evaluation of the introduction of electronic health records in English hospitals (Table 3 ), we defined our cases as the NHS Trusts that were receiving the new technology[ 5 ]. Our focus was on how the technology was being implemented. However, if the primary research interest had been on the social and organisational dimensions of implementation, we might have defined our case differently as a grouping of healthcare professionals (e.g. doctors and/or nurses). The precise beginning and end of the case may however prove difficult to define. Pursuing this same example, when does the process of implementation and adoption of an electronic health record system really begin or end? Such judgements will inevitably be influenced by a range of factors, including the research question, theory of interest, the scope and richness of the gathered data and the resources available to the research team.
Selecting the case(s)
The decision on how to select the case(s) to study is a very important one that merits some reflection. In an intrinsic case study, the case is selected on its own merits[ 8 ]. The case is selected not because it is representative of other cases, but because of its uniqueness, which is of genuine interest to the researchers. This was, for example, the case in our study of the recruitment of minority ethnic participants into asthma research (Table 1 ) as our earlier work had demonstrated the marginalisation of minority ethnic people with asthma, despite evidence of disproportionate asthma morbidity[ 14 , 15 ]. In another example of an intrinsic case study, Hellstrom et al.[ 16 ] studied an elderly married couple living with dementia to explore how dementia had impacted on their understanding of home, their everyday life and their relationships.
For an instrumental case study, selecting a "typical" case can work well[ 8 ]. In contrast to the intrinsic case study, the particular case which is chosen is of less importance than selecting a case that allows the researcher to investigate an issue or phenomenon. For example, in order to gain an understanding of doctors' responses to health policy initiatives, Som undertook an instrumental case study interviewing clinicians who had a range of responsibilities for clinical governance in one NHS acute hospital trust[ 17 ]. Sampling a "deviant" or "atypical" case may however prove even more informative, potentially enabling the researcher to identify causal processes, generate hypotheses and develop theory.
In collective or multiple case studies, a number of cases are carefully selected. This offers the advantage of allowing comparisons to be made across several cases and/or replication. Choosing a "typical" case may enable the findings to be generalised to theory (i.e. analytical generalisation) or to test theory by replicating the findings in a second or even a third case (i.e. replication logic)[ 1 ]. Yin suggests two or three literal replications (i.e. predicting similar results) if the theory is straightforward and five or more if the theory is more subtle. However, critics might argue that selecting 'cases' in this way is insufficiently reflexive and ill-suited to the complexities of contemporary healthcare organisations.
The selected case study site(s) should allow the research team access to the group of individuals, the organisation, the processes or whatever else constitutes the chosen unit of analysis for the study. Access is therefore a central consideration; the researcher needs to come to know the case study site(s) well and to work cooperatively with them. Selected cases need to be not only interesting but also hospitable to the inquiry [ 8 ] if they are to be informative and answer the research question(s). Case study sites may also be pre-selected for the researcher, with decisions being influenced by key stakeholders. For example, our selection of case study sites in the evaluation of the implementation and adoption of electronic health record systems (see Table 3 ) was heavily influenced by NHS Connecting for Health, the government agency that was responsible for overseeing the National Programme for Information Technology (NPfIT)[ 5 ]. This prominent stakeholder had already selected the NHS sites (through a competitive bidding process) to be early adopters of the electronic health record systems and had negotiated contracts that detailed the deployment timelines.
It is also important to consider in advance the likely burden and risks associated with participation for those who (or the site(s) which) comprise the case study. Of particular importance is the obligation for the researcher to think through the ethical implications of the study (e.g. the risk of inadvertently breaching anonymity or confidentiality) and to ensure that potential participants/participating sites are provided with sufficient information to make an informed choice about joining the study. The outcome of providing this information might be that the emotive burden associated with participation, or the organisational disruption associated with supporting the fieldwork, is considered so high that the individuals or sites decide against participation.
In our example of evaluating implementations of electronic health record systems, given the restricted number of early adopter sites available to us, we sought purposively to select a diverse range of implementation cases among those that were available[ 5 ]. We chose a mixture of teaching, non-teaching and Foundation Trust hospitals, and examples of each of the three electronic health record systems procured centrally by the NPfIT. At one recruited site, it quickly became apparent that access was problematic because of competing demands on that organisation. Recognising the importance of full access and co-operative working for generating rich data, the research team decided not to pursue work at that site and instead to focus on other recruited sites.
Collecting the data
In order to develop a thorough understanding of the case, the case study approach usually involves the collection of multiple sources of evidence, using a range of quantitative (e.g. questionnaires, audits and analysis of routinely collected healthcare data) and more commonly qualitative techniques (e.g. interviews, focus groups and observations). The use of multiple sources of data (data triangulation) has been advocated as a way of increasing the internal validity of a study (i.e. the extent to which the method is appropriate to answer the research question)[ 8 , 18 – 21 ]. An underlying assumption is that data collected in different ways should lead to similar conclusions, and approaching the same issue from different angles can help develop a holistic picture of the phenomenon (Table 2 )[ 4 ].
Brazier and colleagues used a mixed-methods case study approach to investigate the impact of a cancer care programme[ 22 ]. Here, quantitative measures were collected with questionnaires before, and five months after, the start of the intervention which did not yield any statistically significant results. Qualitative interviews with patients however helped provide an insight into potentially beneficial process-related aspects of the programme, such as greater, perceived patient involvement in care. The authors reported how this case study approach provided a number of contextual factors likely to influence the effectiveness of the intervention and which were not likely to have been obtained from quantitative methods alone.
In collective or multiple case studies, data collection needs to be flexible enough to allow a detailed description of each individual case to be developed (e.g. the nature of different cancer care programmes), before considering the emerging similarities and differences in cross-case comparisons (e.g. to explore why one programme is more effective than another). It is important that data sources from different cases are, where possible, broadly comparable for this purpose even though they may vary in nature and depth.
Analysing, interpreting and reporting case studies
Making sense and offering a coherent interpretation of the typically disparate sources of data (whether qualitative alone or together with quantitative) is far from straightforward. Repeated reviewing and sorting of the voluminous and detail-rich data are integral to the process of analysis. In collective case studies, it is helpful to analyse data relating to the individual component cases first, before making comparisons across cases. Attention needs to be paid to variations within each case and, where relevant, the relationship between different causes, effects and outcomes[ 23 ]. Data will need to be organised and coded to allow the key issues, both derived from the literature and emerging from the dataset, to be easily retrieved at a later stage. An initial coding frame can help capture these issues and can be applied systematically to the whole dataset with the aid of a qualitative data analysis software package.
The Framework approach is a practical approach, comprising of five stages (familiarisation; identifying a thematic framework; indexing; charting; mapping and interpretation) , to managing and analysing large datasets particularly if time is limited, as was the case in our study of recruitment of South Asians into asthma research (Table 1 )[ 3 , 24 ]. Theoretical frameworks may also play an important role in integrating different sources of data and examining emerging themes. For example, we drew on a socio-technical framework to help explain the connections between different elements - technology; people; and the organisational settings within which they worked - in our study of the introduction of electronic health record systems (Table 3 )[ 5 ]. Our study of patient safety in undergraduate curricula drew on an evaluation-based approach to design and analysis, which emphasised the importance of the academic, organisational and practice contexts through which students learn (Table 4 )[ 6 ].
Case study findings can have implications both for theory development and theory testing. They may establish, strengthen or weaken historical explanations of a case and, in certain circumstances, allow theoretical (as opposed to statistical) generalisation beyond the particular cases studied[ 12 ]. These theoretical lenses should not, however, constitute a strait-jacket and the cases should not be "forced to fit" the particular theoretical framework that is being employed.
When reporting findings, it is important to provide the reader with enough contextual information to understand the processes that were followed and how the conclusions were reached. In a collective case study, researchers may choose to present the findings from individual cases separately before amalgamating across cases. Care must be taken to ensure the anonymity of both case sites and individual participants (if agreed in advance) by allocating appropriate codes or withholding descriptors. In the example given in Table 3 , we decided against providing detailed information on the NHS sites and individual participants in order to avoid the risk of inadvertent disclosure of identities[ 5 , 25 ].
What are the potential pitfalls and how can these be avoided?
The case study approach is, as with all research, not without its limitations. When investigating the formal and informal ways undergraduate students learn about patient safety (Table 4 ), for example, we rapidly accumulated a large quantity of data. The volume of data, together with the time restrictions in place, impacted on the depth of analysis that was possible within the available resources. This highlights a more general point of the importance of avoiding the temptation to collect as much data as possible; adequate time also needs to be set aside for data analysis and interpretation of what are often highly complex datasets.
Case study research has sometimes been criticised for lacking scientific rigour and providing little basis for generalisation (i.e. producing findings that may be transferable to other settings)[ 1 ]. There are several ways to address these concerns, including: the use of theoretical sampling (i.e. drawing on a particular conceptual framework); respondent validation (i.e. participants checking emerging findings and the researcher's interpretation, and providing an opinion as to whether they feel these are accurate); and transparency throughout the research process (see Table 8 )[ 8 , 18 – 21 , 23 , 26 ]. Transparency can be achieved by describing in detail the steps involved in case selection, data collection, the reasons for the particular methods chosen, and the researcher's background and level of involvement (i.e. being explicit about how the researcher has influenced data collection and interpretation). Seeking potential, alternative explanations, and being explicit about how interpretations and conclusions were reached, help readers to judge the trustworthiness of the case study report. Stake provides a critique checklist for a case study report (Table 9 )[ 8 ].
Conclusions
The case study approach allows, amongst other things, critical events, interventions, policy developments and programme-based service reforms to be studied in detail in a real-life context. It should therefore be considered when an experimental design is either inappropriate to answer the research questions posed or impossible to undertake. Considering the frequency with which implementations of innovations are now taking place in healthcare settings and how well the case study approach lends itself to in-depth, complex health service research, we believe this approach should be more widely considered by researchers. Though inherently challenging, the research case study can, if carefully conceptualised and thoughtfully undertaken and reported, yield powerful insights into many important aspects of health and healthcare delivery.
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Acknowledgements
We are grateful to the participants and colleagues who contributed to the individual case studies that we have drawn on. This work received no direct funding, but it has been informed by projects funded by Asthma UK, the NHS Service Delivery Organisation, NHS Connecting for Health Evaluation Programme, and Patient Safety Research Portfolio. We would also like to thank the expert reviewers for their insightful and constructive feedback. Our thanks are also due to Dr. Allison Worth who commented on an earlier draft of this manuscript.
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Crowe, S., Cresswell, K., Robertson, A. et al. The case study approach. BMC Med Res Methodol 11 , 100 (2011). https://doi.org/10.1186/1471-2288-11-100
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Definition of Case Study
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- A case study is a research methodology that has commonly used in social sciences.
- A case study is a research strategy and an empirical inquiry that investigates a phenomenon within its real-life context.
- Case studies are based on an in-depth investigation of a single individual, group or event to explore the causes of underlying principles.
- A case study is a descriptive and exploratory analysis of a person, group or event.
- A case study reserach can be single or multiple case studies, includes quantitative evidence, relies on multiple sources of evidence and benefits from the prior development of theoritical propositions.
- Case studies are analysis of persons, groups, events, decisions, periods, policies, institutions or other systems that are studied holistically by one or more methods.
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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 Study. Case study is a research method that involves an in-depth, detailed examination of a single unit, such as an individual, family, group, organization, community, or event. Case studies are usually conducted by sociologists, psychologists, historians, anthropologists, or researchers from other social science disciplines.
According to the book Understanding Case Study Research, case studies are "small scale research with meaning" that generally involve the following: The study of a particular case, or a number of cases. That the case will be complex and bounded. That it will be studied in its context. That the analysis undertaken will seek to be holistic.
Qualitative case study is a research methodology that helps in exploration of a phenomenon within some particular context through various data sources, ... Halinen and Tornroos (2005) define a case strategy as. an intensive study of one or a small number of business networks, where multiple sources of evidence are used to develop a holistic ...
Jaroslaw Kriukow discusses the common qualitative methodology known as the case study, which explores a bounded system. Skip to main content Menu. Menu close. Browse By . Discipline. Anthropology; Business and Management ... Considering your research methodology: case study research [Video]. Sage Research Methods. https:// doi. org/10.4135 ...
A case study is one of the most commonly used methodologies of social research. This article attempts to look into the various dimensions of a case study research strategy, the different epistemological strands which determine the particular case study type and approach adopted in the field, discusses the factors which can enhance the effectiveness of a case study research, and the debate ...
Case study is a method in which a case is examined in depth (Shuttleworth, 2008). The main data collection tools for case study are interview and observation techniques (Zainal, 2007). In this ...
Case study is a research methodology, typically seen in social and life sciences. There is no one definition of case study research.1 However, very simply… 'a case study can be defined as an intensive study about a person, a group of people or a unit, which is aimed to generalize over several units'.1 A case study has also been described as an intensive, systematic investigation of a ...
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 various fields, including psychology, medicine, education, anthropology, political science, and social work.
Case studies are a research method sometimes used by sociologists. Research that takes the form of a case study can also be called a case study design. Let's examine the definition of a case study. Case studies are in-depth investigations focused on an individual person, group, community, organisation, situation, or event.
The case study research method originated in clinical medicine (the case history, i.e., the patient's personal history). In psychology, case studies are often confined to the study of a particular individual. The information is mainly biographical and relates to events in the individual's past (i.e., retrospective), as well as to ...
Within sociology, case studies are typically conducted with qualitative research methods. They are considered micro rather than macro in nature, and one cannot necessarily generalize the findings of a case study to other situations. However, this is not a limitation of the method, but a strength. Through a case study based on ethnographic ...
The meaning of CASE STUDY METHOD is a method of research used especially in sociology by which accumulated case histories are analyzed with a view toward formulating general principles.
The Encyclopedia of Case Study Research provides a compendium on the important methodological issues in conducting case study research and explores both the strengths and weaknesses of different paradigmatic approaches. These two volumes focus on the distinctive characteristics of case study research and its place within and alongside other ...
Finally, they discuss the interplay between the terms case study and unit of analysis to further delineate their definition of case study. The target audiences for this paper include case study researchers, research design and methods instructors, and graduate students interested in case study research.
Methods Used in Case Study Research. This type of research uses the same study methodology with other research types. But, the most common case study research method starts with the definition of a single case. It can also be a group comprising similar cases. These can be incorporated for a multiple-case study.
Case study is a research methodology, typically seen in social and life sciences. There is no one definition of case study research.1 However, very simply… 'a case study can be defined as an intensive study about a person, a group of people or a unit, which is aimed to generalize over several
A case study is a research approach that is used to generate an in-depth, multi-faceted understanding of a complex issue in its real-life context. It is an established research design that is used extensively in a wide variety of disciplines, particularly in the social sciences. A case study can be defined in a variety of ways (Table 5 ), the ...
Definition. There are multiple definitions of case studies, which may emphasize the number of observations (a small N), the method (qualitative), the thickness of the research (a comprehensive examination of a phenomenon and its context), and the naturalism (a "real-life context" is being examined) involved in the research. There is general agreement among scholars that a case study does not ...
Case study research is a qualitative and quantitative research methodology that involves in-depth analysis of a specific phenomenon, event, or situation in its real-world context. Case studies can ...
Definition of case study Case study method enables a researcher to closely examine the data within a specific context. ... limited number of events or conditions, and their relationships. Yin (1984:23) defines the case study research method "as an empirical inquiry that investigates a contemporary phenomenon within its real-life context; when ...
In teaching case study method a primary aim is to define what case study is and what it is not. Various authors of case study methods discuss and demonstrate ... In summary the purposes of case study research may be exploratory, descriptive, interpretive and explanatory (Mariano, 1993). Articulating the purpose of
A case study is a research methodology that has commonly used in social sciences. A case study is a research strategy and an empirical inquiry that investigates a phenomenon within its real-life context. Case studies are based on an in-depth investigation of a single individual, group or event to explore the causes of underlying principles.