Easton, G (2010) One case study is enough. Working Paper. The Department of Marketing, Lancaster University.
Case studies are becoming an increasingly popular research method. However the usual justification for their use is that they provide a rich picture of a particular situation. While this is certainly true there is a problem in linking the findings to theory. This is particularly true for single case research. However the philosophical position of Critical Realism can supply just such a justification based upon the concepts of theoretical entities having causal powers and liabilities that interact as particular mechanism to explain the occurrence of events.
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