Article
Genetic influence on general mental ability increases between infancy and middle childhood.
Nature - 1 Jan 2000
Fulker D W, DeFries J C, Plomin R
Abstract excerpt
Adoption studies can provide direct evidence for the independent effects of family environment and heredity that are always confounded in intact nuclear families. When children are separated from their biological mothers shortly after birth and placed nonselectively in adoptive homes, adoptive-parent/adopted-child resemblance can be ascribed to cultural transmission, whereas biological-parent/adopted-child...
Topics
- Adoption
- Child
- Child Development
- Child, Preschool
- Cognition
- Culture
- Genetic Variation
- Genetics
- Humans
- Infant
- Intelligence
- Models, Genetic