Grit: The Power of Passion and Perseverance · chapter 1 · id grit-c1-04-grit-and-self-control-are-dist
“Grit and self-control are distinct constructs: self-control better predicts GPA, while grit better predicts long-term retention outcomes like completing Beast Barracks.”
TRUE, BUTconfidence: medium⚠ extracted by pipeline, re-audit pending
Receipts
Duckworth et al. (2007), JPSP 92(6), 1087-1101DOI registry: valid
Self-control predicted GPA better than grit, but grit predicted retention in the military sample better than self-control.
Duckworth & Quinn (2009), Development and Validation of the Short Grit Scale (Grit-S)source alive
Grit was associated with lifetime educational attainment and fewer career changes, but self-control was a stronger predictor of concurrent academic performance.
Crede, Tynan & Harms (2017), JPSP meta-analysissource alive
The perseverance of effort facet drives most of the predictive value of grit; consistency of interests adds little incremental validity.
This claim is a stable, citable object. If you can falsify a verdict, tell us. Corrections are loud here.