Article
Genetic and environmental contributions to general cognitive ability through the first 16 years of life.
Developmental psychology - 1 Sept 2004
Petrill Stephen A, Lipton Paul A, Hewitt John K, Plomin Robert, Cherny Stacey S, Corley Robin, DeFries John C
Abstract excerpt
The genetic and environmental contributions to the development of general cognitive ability throughout the first 16 years of life were examined using sibling data from the Colorado Adoption Project. Correlations were analyzed along with structural equation models to characterize the genetic and environmental influences on longitudinal stability and instability. Intraclass correlations reflected both considerable...
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