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Table 3 Criteria for classifying papers according to relevance

From: Evaluating complex interventions in context: systematic, meta-narrative review of case study approaches

Relevance Main criteria Additional criteria
High Explicitly mentions and focuses on all three topics (3Cs) of case study, context and complex health interventions Mentions 2Cs PLUS it: shows depth and explanation of ‘case’; may have theory relevant to context and/or complexity
Partial Mentions 3Cs but appears to give very little detail Close reading of methods does not give clear indication of focus or depth
Low A case study of a complex intervention (2Cs) The description or the research means there are questions over overall quality or relevance to questions of context, complexity or case study methodology