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Direct linkPetrill, Stephen A.; Deater-Deckard, Kirby; Schatschneider, Christopher; Davis, Chayna – Infant and Child Development, 2007
Evidence from intervention studies, quantitative genetic and molecular genetic studies suggests that genetic, and to a lesser extent, shared environmental influences are important to the development of reading and related cognitive skills. The Northeast-Northwest Collaborative Adoption Projects (N2CAP) is a sample of 241 adoptive families,…
Descriptors: Evidence, Genetics, Parents, Family Environment
Dennis, Wayne – 1973
This book reports the experiential deprivation and intellectual retardation of children from the Creche, a Lebanese social agency devoted to the care of foundlings from birth to 6 years. Begun in 1955, this study explored the role of environment, specifically, the effects of adoption, on IQ. Results showed that the mean IQ for both boys and girls…
Descriptors: Adoption, Child Caregivers, Disadvantaged Environment, Disadvantaged Youth
