Grit: The Power of Passion and Perseverance · chapter 1 · id grit-c1-07-grit-was-a-better-predictor-of
“Grit was a better predictor of Beast Barracks completion than the Whole Candidate Score, which is the single best predictor West Point has for four-year graduation.”
TRUE, BUTconfidence: medium⚠ extracted by pipeline, re-audit pending
Receipts
Duckworth et al. (2007), JPSP 92(6)DOI registry: valid
Grit predicted completion of the rigorous summer training program at West Point better than the Whole Candidate Score, which is the best predictor of four-year graduation.
PMC (2024): Grit and uncertainty at West Pointsource alive
Replicating prior findings, grit predicted retention during Beast Barracks training at West Point.
Crede et al. (2017), meta-analysissource alive
Grit's correlation with military retention was modest (rho = .18), indicating a small-to-medium effect size.
This claim is a stable, citable object. If you can falsify a verdict, tell us. Corrections are loud here.