 A re‐evaluation of fixed effect(s) meta‐analysisKenneth Rice, Julian P. T. Higgins and Thomas Lumley Journal of the Royal Statistical Society Series A, 2018, vol. 181, issue 1, 205-227 Abstract: Meta‐analysis is a common tool for synthesizing results of multiple studies. Among methods for performing meta‐analysis, the approach known as ‘fixed effects’ or ‘inverse variance weighting’ is popular and widely used. A common interpretation of this method is that it assumes that the underlying effects in contributing studies are identical, and for this reason it is sometimes dismissed by practitioners. However, other interpretations of fixed effects analyses do not make this assumption, yet appear to be little known in the literature. We review these alternative interpretations, describing both their strengths and their limitations. We also describe how heterogeneity of the underlying effects can be addressed, with the same minimal assumptions, through either testing or meta‐regression. Recommendations for the practice of meta‐analysis are given; it is hoped that these will foster more direct connection of the questions that meta‐analysts wish to answer with the statistical methods they choose. Date: 2018 Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:bla:jorssa:v:181:y:2018:i:1:p:205-227 Ordering information: This journal article can be ordered from Access Statistics for this article Journal of the Royal Statistical Society Series A is currently edited by A. Chevalier and L. Sharples More articles in Journal of the Royal Statistical Society Series A from Royal Statistical Society Contact information at EDIRC. |
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