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Peer reviewedPedersen, Nancy L.; And Others – Intelligence, 1994
Genetic effects on specific cognitive abilities as distinct from those on general cognitive ability were studied in 302 pairs of twins (some reared together, some apart) from the Swedish Adoption/Twin Study of Aging. Overall, results showed significant genetic influence on specific abilities independent of influence on general ability. (SLD)
Descriptors: Adopted Children, Aging (Individuals), Biological Influences, Cognitive Ability
