Published in

Hogrefe, Journal of Psychology, 1(231), p. 65-78, 2023

DOI: 10.1027/2151-2604/a000513

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The Meta-Plot

This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The meta-plot is a descriptive visual tool for meta-analysis that provides information on the primary studies in the meta-analysis and the results of the meta-analysis. More precisely, the meta-plot portrays (1) the precision and statistical power of the primary studies in the meta-analysis, (2) the estimate and confidence interval of a random-effects meta-analysis, (3) the results of a cumulative random-effects meta-analysis yielding a robustness check of the meta-analytic effect size with respect to primary studies’ precision, and (4) evidence of publication bias. After explaining the underlying logic and theory, the meta-plot is applied to two cherry-picked meta-analyses that appear to be biased and to 10 randomly selected meta-analyses from the psychological literature. We recommend accompanying any meta-analysis of common effect size measures with the meta-plot.