Case Study Research
By Dan Remenyi
()
About this ebook
Although the case study research method is increasingly important and used by many researchers it is still not well understood. Case Study Research in the Quick Guides Series explains the main issues which have to be considered before case study research is undertaken, as well as providing check lists to show how to go ab
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Case Study Research - Dan Remenyi
Case Study Research
The Quick Guide Series
Dan Remenyi
Case Study Research
First published: April 2012
Second Print: February 2013
Second Edition: July 2013
ISBN: 978-1-909507-17-3
Copyright © 2012 The author
All rights reserved. Except for the quotation of short passages for the purposes of critical review, no part of this publication may be reproduced in any material form (including photocopying or storing in any medium by electronic means and whether or not transiently or incidentally to some other use of this publication) without the written permission of the copyright holder except in accordance with the provisions of the Copyright Designs and Patents Act 1988, or under the terms of a licence issued by the Copyright Licensing Agency Ltd, Saffron House, 6-10 Kirby Street, London EC1N 8TS. Applications for the copyright holder’s written permission to reproduce any part of this publication should be addressed to the publishers.
Disclaimer: While every effort has been made by the editor, authors and the publishers to ensure that all the material in this book is accurate and correct at the time of going to press, any error made by readers as a result of any of the material, formulae or other information in this book is the sole responsibility of the reader. Readers should be aware that the URLs quoted in the book may change or be damaged by malware between the time of publishing and accessing by readers.
Published by: Academic Conferences and Publishing International Limited, Reading, RG4 9SJ, United Kingdom, [email protected]
Printed by Berforts Group
Available from www.academic-bookshop.com
Acknowledgement
My understanding of case study research has developed steadily over the past 20 years when I first used this technique myself. I have learnt much from many research degree candidates whom I have supervised, mentored or examined. One of the great outcomes of being involved in academic research is that we can learn from each other’s experiences.
However I would like to point out my debt to Dr Paul Griffiths who has made a special contribution to my thinking in this book. Paul is a highly skilled practitioner in the art of Case Study Research and he has made a number of important suggestions which have been incorporated in this book.
Contents
Acknowledgement
Contents
Preface to the Second Edition
Preface to the First Edition
Chapter 1 - What constitutes Case Study Research?
1.1. Observation as a basis of research
1.2. Definitions of a case study
1.3. Research methodology and research methods
1.4. Qualitative research
1.5. Hypotheses and theory development
1.6. A fuller definition of case study
1.7. A story is central to a case study
1.8. The scientific logic of the case study
1.9. Summary and conclusion
Chapter 2 - Different Types of Case Studies and Choosing Appropriate Situations to Study
2.1. Different meanings of the term case study
2.2. Teaching – learning case study
2.3. The research case study
2.4. Descriptive case studies or exploratory case studies
2.5. A one case study research project
2.6. More than one case study research project
2.7. The unit of study – the organisation is the unit of study
2.8. Multiple units of analysis
2.9. Suitability and gatekeepers
2.10. Suitability Profile for a Case Study
2.11. Summary and conclusion
Chapter 3 - Data: Quantitative and Qualitative
3.1. The importance of data
3.2. A definition of data
3.3. Do, dare, dedi, datum
3.4. Unit of analysis
3.5. Quantitative and qualitative data
3.6. Different realities or different lens
3.7. Natural and elicited data
3.8. Hard and soft data
3.9. Data can be overwhelming – data overload
3.10. Commonly available sources of qualitative data
3.11. Combining quantitative and qualitative data
3.12. Data Acquisition Plan
3.13. Summary and conclusions
Chapter 4 - The research proposal and protocol
4.1. Understanding and planning academic research
4.2. The need for flexibility
4.3. Organisation and planning
4.4. The Research Proposal
4.5. The research protocol
4.6. The parts of a research protocol
4.7. Part 1 - Finding the starting point
4.8. Part 2 – Establishing and collecting the data
4.9. Part 3 - After data collection is complete
4.10. Part 4 -What does the data mean
4.11. Part 5 - What the research delivers to the community
4.12. Part 6 - The research ends
4.13. Summary and conclusion
Chapter 5 - Collecting the data
5.1. Data collection - a major challenge
5.2. Empirical research
5.3. Opportunistic attitude to data collection
5.4. Log all data collection activities
5.5. Data collection is not easy
5.6. First contact with the organisation
5.7. Mixed data
5.8. Data access
5.9. Sources of data
5.10. Triangulation
5.11. Reflections
5.12. A pilot case study also referred to as a field test
5.13. Cross case analysis
5.14. Summary and conclusion
Chapter 6 - Data Analysis for a Case Study
6.1. The art of the possible
6.2. The jigsaw puzzle metaphor
6.3. Answer the research question
6.4. The tool box for analysis of case study data
6.5. Creating a convincing case study narrative
6.6. Producing lists of constructs and concepts
6.7. Demonstrating the relationships
6.8. Hypothesis testing
6.9. Theoretical conjecture development
6.10. Data analysis begins
6.11. One case at a time
6.12. Finding suitable case studies
6.13. Writing up the case study
6.14. Data overload
6.15. Using one holistic case study research for theory creation
6.16. One holistic case study research for hypotheses testing
6.17. Multiple case study research for theory creation
6.18. Summary and conclusions
Chapter 7 - The case study writer as a story teller - some style and form issues
7.1. Introduction
7.2. The importance of the write up
7.3. The transcripts are not the case study
7.4. Writing as a craft skill
7.5. The narrative nature of the case study
7.6. Styles of the narrative
7.7. Important dimension of a case study write up
7.8. Written in an engaging manner
7.9. Care with language
7.10. Different story frameworks or forms
7.11. A chronology or timeline approach
7.12. A play format
7.13. A biography
7.14. A recollection of voices
7.15. Not mutually exclusive
7.16. Summary and conclusion
Chapter 8 - The case study dissertation
8.1. Case studies for research degrees
8.2. Preparing the ground for the case study write up
8.3. Chapter One – The Introduction
8.4. Chapter Two – The Literature Review
8.5. Chapter Three – The Research Design
8.6. Chapter Four – Executing the Research Design
8.7. Chapter Five – Conclusions of the Research
8.8. Chapter Six – Reflections, Limitations and Suggestion for Future Research
8.9. Appendices to the dissertation
8.10. Summary and Conclusions
Chapter 9 - Pilot Studies or Field Tests for Case Study Research
9.1. Introduction
9.2. Refining the research design
9.3. Data requirements
9.4. Data collection
9.5. Preparing data for analysis and interpretation
9.6. Checklist
9.7. Feedback
9.8. Summary and conclusion
Chapter 10 - Data Management for Case Studies – Make writing up easier
10.1. Introduction
10.2. Filing systems for data saving and retrieval
10.3. Some details with which the researcher is probably familiar
10.4. Directory and file names
10.5. Directories and subdirectories
10.6. Merging files or combining data
10.7. Backing up data
10.8. Reference management software
10.9. Computer Housekeeping
10.10. Summary and conclusion
Chapter 11 - Ethics Approval for Case Study Research
11.1. Introduction
11.2. Background to the importance of ethics approval
11.3. All research involving human participation
11.4. Procedural ethics
11.5. Ethics in practice
11.6. The proposed two outcomes of ethics approval
11.7. Documents need completion
11.8. Corporate research approval
11.9. Ethics approval for case study research
11.10. Research Participant’s Information Document
11.11. A Letter of Informed Consent
11.12. Measuring instruments
11.13. Getting going
11.14. Summary and conclusion
Chapter 12 - Evaluating your case study research
12.1. Ways of evaluating a case study
12.2. Case study appropriate form and structure?
12.3. Evaluating the form and structure of a case study
12.4. Has the case study facilitated the answering of the research question?
12.5. Summary and conclusion
Reference list
Useful URLs
Appendix A - A Short Note on Hypothesis Testing with Case Studies
Index
Preface to the Second Edition
Interest in case study research continues to grow as it becomes more obvious that a holistic approach to research questions can provide insightful results. However case study research is not always understood and sometimes researchers produce unstructured narratives which are not able to add something of value to the body of theoretical knowledge. Worse still some researchers who have elected to use an eclectic mixture of research methods feel that they can call their approach case study research. It is increasingly important to understand the scientific logic of case study research and to approach this type of research method systematically.
This book is in the Quick Guide Series and therefore does not claim to be a comprehensive treaty on case study research. Nonetheless it was decided in the Second Edition to add some new chapters which provide extra comment on the important issues which will concern anyone contemplating case study research.
Dan Remenyi PhD
July 2013
Preface to the First Edition
Using case study research for an academic degree or for research to be published in a peer reviewed journal is challenging and thus requires careful study and attention to much detail. It is not the intention of this book to provide that detail but rather to orientate readers toward what is required for this type of research. Further study will be necessary to acquire the necessary skill to become an accomplished case study researcher.
Although case study based research has been increasing in popularity over the past 20 years there is still a considerable amount of misunderstanding concerning what it can actually do and how it should be used in business and management studies.
There are a number of misconceptions that regularly arise and which cause confusion. One of the most commonly encountered is the suggestion that if a research project uses multiple sources of data or evidence it is then by default a case study. The second is that case study research is only valid in a qualitative environment. The third is that case study research is only of value at the early stages of research when the researcher is looking for an interesting research question. Those who espouse these opinions regarding the proper place of case study research generally refer to case studies as descriptive or exploratory.
There is also confusion about how many case studies are required for a creditable research project. I am reminded of my own experience in 1988 when I started to work with case studies and I was told by a senior academic that for a doctorate I would need to complete 50 case studies. Few academics would hold this view today although more than a few would be uncomfortable about one case study or being able to comment on generalisability from case study research.
This Quick Guide does not attempt to be a definitive account of all the matters related to case study research. Such a task would require a large tome. This book addresses issues related to the definition of case study research; concepts related to the nature of data; the mixed data issues; the importance of clarifying what is to be done through the research proposal and protocol; the selection of case study locations; some concepts pertaining to case study analysis and writing up. Finally the book addresses how to evaluate a case study research project.
The book will help those who are considering using a case study approach decide whether this is for them and it will provide those who have already decided to take this route with a framework for understanding what is really involved. Case study research is too important in the field of business and management studies to be left to the haphazard approaches that are now sometimes used.
Dan Remenyi PhD
May 2012
Chapter 1 - What constitutes Case Study Research?
Observation as a basis of research
From an empiricist’s point of view new knowledge is discovered by exploration by which we mean examining artefacts or situations or events. This is primarily achieved through observation, in the broadest sense of the word, and by reflection on what it is we are observing and by discussing this with knowledgeable informants and colleagues.
Observation may be performed by collecting a variety of different types of evidence or data including numbers, text, images and other sensed stimuli (Gillham 2000). Those who focus primarily on numeric data refer to the research as being quantitative and those who focus on other types of data i.e. text, images and other sense stimuli refer to their research as being qualitative.
Quantitative and qualitative research are not as entirely different as some researchers believe. The differences are often overstated and the similarities regularly ignored. There can be material overlaps between these approaches to research (Punch 2005). Text and images can be used to support the processes of quantitative research, and numbers used to support qualitative research. Some researchers even argue that we should not talk about quantitative and qualitative research but should only say that there are quantitative and qualitative data. The more challenging the research question the more likely there will be a need to draw on both quantitative and qualitative data and techniques and thus it is good practice for researchers to make themselves comfortable with both approaches.
Definitions of a case study
Case study research allows challenging research questions to be addressed using multiple sources of data or evidence. The definition of a case study supplied by Yin (1989) is still probably the most useful and this is:
a case study may be defined as an empirical enquiry that investigates a contemporary phenomenon within its real life context, when the boundaries between phenomenon and context are not clearly evident, and in which multiple sources of evidence are used.
There are five issues addressed in this definition and these are:
empirical enquiry;
contemporary phenomenon;
real life context;
boundaries are not clearly evident;
multiple sources of evidence.
It is worth noting that there is no comment made about whether or not the case study should have a quantitative or a qualitative research orientation as it is assumed that any relevant data may be used. These five characteristics may be interpreted as follows:
Empirical enquiry points out that a case study should be based on primary or sense based data and not be produced by only library or web based work involving secondary sources.
Contemporary phenomenon suggests that it is not appropriate to label research addressing historic events as being a case study. The question then is when should we consider the matter being researched to be ‘historic’? As a possible heuristic a case study should address issues which are no older than, say, five years. However a case study could address background and contextual issues which extend much further back in time as long as the relevant data being studied is contemporary¹.
Real life context refers to the fact that a case study should not be based on an experimental setting where the environment in which the activities described are controlled. Real life means that we are studying situations over which the researcher does not have control.
Boundaries are not clearly evident points out that when studying complex or challenging research questions there are often a considerable number of variables at play and that it is not always obvious which variables are actually present and which variables should demand the researcher’s attention. Some researchers refer to situations such as this as being ‘messy’ which simply means that the research does not have the clear cut focus that laboratory research normally does.
Multiple sources of evidence suggests that any data or evidence which can facilitate the understanding of and help us to answer the research question may be accessed and where appropriate employed. This statement has a very broad reach and needs some clarification as to whether there are any preferred data sources and this will be addressed later.
Difficulty of case study researchSome misinformed academic researchers will suggest that case study research is an easy option. This is not true and is only said by those who have not conducted quality case study research themselves.Before examining the detail of the case study further it is worth noting that there is an even broader view as to the nature of the research processes incorporated under the name of a case study. Bell (1993) suggests that: