Journal
EVALUATION
Volume 18, Issue 3, Pages 294-309Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/1356389012450654
Keywords
alternative explanation; contribution analysis; influencing; mechanism; theory-based evaluation factor
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This article examines the methodological strengths and weaknesses of contribution analysis. The authors contend that a salient characteristic of contribution analysis is its accounting for influencing factors and alternative explanations. We argue that contribution analysis in its current form needs further methodological and practical elaboration in this respect. Therefore, this article pays particular attention to how the methodology can identify and determine the extent of influencing factors and alternative explanations. The authors propose a corresponding framework - the Relevant Explanation Finder - which can help evaluators account for these elements and thereby create more credible contribution stories.
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