Grit: The Power of Passion and Perseverance · chapter 1 · id grit-c1-01-west-point-cadets-who-scored-o
“West Point cadets who scored one standard deviation higher on Duckworth's Grit Scale were 60% more likely to complete Beast Barracks than lower-scoring peers.”
TRUE, BUTconfidence: medium⚠ extracted by pipeline, re-audit pending
Receipts
Duckworth et al. (2007), Journal of Personality and Social Psychology 92(6), 1087-1101DOI registry: valid
Grit predicted completion of the rigorous summer training program at West Point better than self-control, SAT scores, class rank, or the Whole Candidate Score.
Crede, Tynan & Harms (2017), Journal of Personality and Social Psychology 113(3), 492-511source alive
Grit is only moderately correlated with performance and retention. The perseverance of effort facet drives most of the predictive value; consistency of interests adds little.
Fortune (2025) reporting on Duckworth's West Point datasource alive
Cadets a standard deviation higher in grit had 54% greater odds of making it through Beast Barracks. But 95% of all cadets make it through -- the grittiest had a 98% completion rate.
This claim is a stable, citable object. If you can falsify a verdict, tell us. Corrections are loud here.