Grit: The Power of Passion and Perseverance · chapter 10 · id grit-c10-05-the-combination-of-high-warmth

“The combination of high warmth and high expectations ('wise' or 'supportive yet demanding' parenting) is what Duckworth argues builds grit most effectively.”

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Grit book text - Chapter 10source alive

Eminent people's parents combined support and demand. They were neither permissive nor authoritarian but authoritative -- setting high standards while providing warmth.

Iowa State textbook - Baumrind's Parenting Stylespaywalled — manual check queued

Authoritative parenting -- high responsiveness and high demandingness -- is consistently associated with the most positive child outcomes including academic achievement and self-regulation.

PMC (2016) - True grit and geneticssource alive

Shared environmental influence on grit is negligible, suggesting that parenting style has limited measurable impact on grit development.

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