Article

Case Selection for Case‐Study Analysis: Qualitative and Quantitative Techniques

John Gerring

in The Oxford Handbook of Political Methodology

Published in print August 2008 | ISBN: 9780199286546
Published online September 2009 | | DOI: http://dx.doi.org/10.1093/oxfordhb/9780199286546.003.0028

Series: Oxford Handbooks of Political Science

 Case Selection for Case‐Study Analysis: Qualitative and Quantitative Techniques

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  • Comparative Politics
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This article presents some guidance by cataloging nine different techniques for case selection: typical, diverse, extreme, deviant, influential, crucial, pathway, most similar, and most different. It also indicates that if the researcher is starting from a quantitative database, then methods for finding influential outliers can be used. In particular, the article clarifies the general principles that might guide the process of case selection in case-study research. Cases are more or less representative of some broader phenomenon and, on that score, may be considered better or worse subjects for intensive analysis. The article then draws attention to two ambiguities in case-selection strategies in case-study research. The first concerns the admixture of several case-selection strategies. The second concerns the changing status of a case as a study proceeds. Some case studies follow only one strategy of case selection.

Keywords: typical case; diverse case; extreme case; deviant case; influential case; crucial case; pathway case; most similar case; most different case; case-study analysis

Article.  20049 words. 

Subjects: Politics ; Comparative Politics ; Political Methodology

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