The Relationship Between Executive Functions and Academic Performance in Primary Education: Review and Meta-Analysis.

Front Psychol · 2019 · PMC6638196 · PMID 31354585

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moderately significantno p-value reported

Based on 21 samples ( n = 7,947), a meta-analysis of random effects demonstrated a moderately significant weighted effect size ( r = 0.365) and was found to be a good predictor of academic performance.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.