Grit: The Power of Passion and Perseverance · chapter 11 · id grit-c11-04-duckworth-argues-that-the-two-

“Duckworth argues that the two-year commitment rule for extracurriculars is optimal: sticking with an activity for at least two years allows enough time for deliberate practice to produce real improvement.”

unsupportedconfidence: medium⚠ extracted by pipeline, re-audit pending

Receipts

Forge Coaching - Extracurriculars and gritsource alive

Duckworth had a strong intuition that grit is enhanced by participating in extracurricular activities. Remaining involved for a minimum of two years allows a person to see improvement.

Bartleby - Grit Chapters 11-12 Summarypaywalled — manual check queued

Duckworth recommends that high schoolers commit to at least one activity for at least two years as part of the Hard Thing Rule.

ERIC - Willingham (1985) Success in Collegesource alive

Sustained involvement in extracurricular activities predicted college success, but the optimal duration was not specified as exactly two years in the original research.

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