Grit: The Power of Passion and Perseverance · chapter 11 · id grit-c11-02-warren-willinghams-longitudina
“Warren Willingham's longitudinal study following 3,767 college students found that sustained commitment to one or two extracurricular activities in high school predicted college success better than participating in many activities.”
needs contextconfidence: medium⚠ extracted by pipeline, re-audit pending
Receipts
Education Week (1985) - Study cites non-academic factors as predictorssource alive
Students who put sustained effort into one or two extracurricular activities while in high school are more likely to succeed in areas such as campus leadership than students who do not.
ERIC - Willingham (1985), Success in Collegesource alive
Among students selected as successful, those with strong extracurricular records in high school were over-represented by 20 to 30 percent, even after controlling for school rank and test scores.
Fujita - Effects of Extracurricular Activities on Academic Success reviewpaywalled — manual check queued
Willingham's 7-year study of 3,767 students at 9 colleges found that sustained extracurricular participation predicted success beyond academics.
This claim is a stable, citable object. If you can falsify a verdict, tell us — corrections are loud here.