Finding the power to reduce publication bias

• Published in: Statistics in medicine Vol. 36; no. 10; pp. 1580 - 1598
• Main Authors: Stanley, T. D., Doucouliagos, Hristos, Ioannidis, John P. A.
• Format: Journal Article
• Language: English
• Published: England Wiley Subscription Services, Inc 10.05.2017
• Subjects: Biostatistics; Computer Simulation; Humans; Least-Squares Analysis; Meta-Analysis as Topic; meta‐analysis; Models, Statistical; Odds Ratio; publication bias; Publication Bias - statistics & numerical data; random‐effects; Regression Analysis; statistical power; weighted least squares; meta-analysis; statistical power; publication bias; random-effects; weighted least squares

The central purpose of this study is to document how a sharper focus upon statistical power may reduce the impact of selective reporting bias in meta‐analyses. We introduce the weighted average of the adequately powered (WAAP) as an alternative to the conventional random‐effects (RE) estimator. When...