What can we learn from 1,000 meta-analyses across 10 different disciplines?
Wu Weilun, Duan Jianhua, Reed W Robert, +1 more·Research synthesis methods
This study analyzes 1,000 meta-analyses drawn from 10 disciplines-including medicine, psychology, education, biology, and economics-to document and compare methodological practices across fields. We find large differences in the size of meta-analyses, the number of effect sizes per study, and the types of effect sizes…