Meta-analysis, complexity, and heterogeneity: a qualitative interview study of researchers' methodological values and practices.
Lorenc Theo, Felix Lambert, Petticrew Mark, +5 more·Systematic reviews
BACKGROUND: Complex or heterogeneous data pose challenges for systematic review and meta-analysis. In recent years, a number of new methods have been developed to meet these challenges. This qualitative interview study aimed to understand researchers' understanding of complexity and heterogeneity and the factors which…