The meta-analyses of deliberate practice underestimate the effect size because they neglect the core characteristic of individualization—an analysis and empirical evidence

URN to cite this document:: urn:nbn:de:bvb:355-epub-508352
DOI to cite this document:: 10.5283/epub.50835

Debatin, Tobias

; Hopp, Manuel D. S. ; Vialle, Wilma ; Ziegler, Albert

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Date of publication of this fulltext: 19 Oct 2021 04:44

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Abstract

Influential meta-analyses have concluded that only a small to medium proportion of variance in performance can be explained by deliberate practice. We argue that the authors have neglected the most important characteristic of deliberate practice: individualization of practice. Many of the analyzed effect sizes derived from measures that did not assess individualized practice and, therefore, ...