Publication bias examined in meta-analyses from psychology and medicine: A meta-meta-analysis.

ABSTRACT: Publication bias is a substantial problem for the credibility of research in general and of meta-analyses in particular, as it yields overestimated effects and may suggest the existence of non-existing effects. Although there is consensus that publication bias exists, how strongly it affects different scientific literatures is currently less well-known. We examined evidence of publication bias in a large-scale data set of primary studies that were included in 83 meta-analyses published in Psychological Bulletin (representing meta-analyses from psychology) and 499 systematic reviews from the Cochrane Database of Systematic Reviews (CDSR; representing meta-analyses from medicine). Publication bias was assessed on all homogeneous subsets (3.8% of all subsets of meta-analyses published in Psyc

SUBMITTER: van Aert RCM 

PROVIDER: S-EPMC6461282 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature