Genetic and environmental architecture of conscientiousness in adolescence.

Abstract excerpt

Using a genetically informative design (about 2000 twin pairs), we investigated the phenotypic and genetic and environmental architecture of a broad construct of conscientiousness (including conscientiousness per se, effortful control, self-control, and grit). These four different measures were substantially correlated; the coefficients ranged from 0.74 (0.72-0.76) to 0.79 (0.76-0.80). Univariate genetic analyses...

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