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Genetic variance in nonverbal intelligence: data from the kinships of identical twins

, : Genetic variance in nonverbal intelligence: data from the kinships of identical twins. Science 205(4411): 1153-1155

The multiple relationships within kinships of adult monozygotic twins permit incisive analyses to be made of genetic and environmental effects on behavioral traits. Data from families of 65 monozygotic twin pairs yield evidence of genetic variance on the Block Design Test, a nonverbal measure of general intelligence.


PMID: 572991

DOI: 10.1126/science.572991

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