Grit: The Power of Passion and Perseverance · chapter 4 · id grit-c4-02-grit-is-a-distinct-personality

“Grit is a distinct personality trait from Big Five conscientiousness.”

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Crede et al. (2017), JPSP 113(3), 492-511source alive

Grit and conscientiousness are very strongly correlated (rho = .84 for perseverance subscale). Interventions designed to enhance grit may only have weak effects on performance. The primary utility of grit may lie in the perseverance facet alone.

Rimfeld et al. (2016), JPSP 111(5), 780-789source alive

Phenotypic correlation between grit perseverance and conscientiousness r = .53; genetic correlation rG = .86 (95% CI: .76-1.00). To a large extent the same genes influence these two personality factors.

Gonzalez et al. (2020), Journal of Research in Personality 89paywalled — manual check queued

Grit and conscientiousness: Another jangle fallacy. The two constructs are essentially the same trait with different labels.

This claim is a stable, citable object. If you can falsify a verdict, tell us — corrections are loud here.