Commentary on „Heterogeneity in direct replications in psychology and its association with effect size” (Olsson-Collentine, Wicherts & van Assen, 2020, Psychological Bulletin, online first publication, July 23, 2020.)
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Abstract
We argue that the observed correlation between the effect size and the heterogeneity of replicated studies is artificial. Specifically, that the observed heterogeneity for larger effects exceeds the observed heterogeneity for zero or small effects fails to provide a reason to invest comparatively less trust in parameter-estimates for large(r) effects.
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