Survey article skeptical of Growth mindset, Grit, brain training, etc. Also points out that contra Peak - Ericsson and Pool, Deliberate practice isn’t enough to explain differences in expert-level performance: there must also be some heritable component.
Page 28: "brain training, mind-set, grit, deliberate practice, and the bilingual advantage"
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We suggest that overemphasizing the malleability of abilities and other traits can have negative consequences
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Melby-Lervåg and Hulme (2013) found "no convincing evidence of the generalization of working memory training to other skills"
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Large-sample research has failed to replicate findings of beneficial effects of mind-set interventions
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Sisk et al. (2018) found that the effectiveness of mind-set interventions on academic achievement was very weak overall, with almost all analyses yielding small or null effects. They concluded that "those seeking more than modest effects or effects for all students are unlikely to find them" (p. 568).
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current environmental factors such as how parents raise their children or approaches schools take to teaching do not appear to influence grit
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In a recent meta-analysis, Macnamara, Hambrick, and Oswald (2014) found that deliberate practice leaves the majority of variance in performance across individuals unexplained and potentially explainable by other factors
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Paap, Johnson, and Sawi (2015) pointed out that over 80% of the tests assessing the bilingual advantage since 2011 yielded null findings.