The heritability of intelligence in Japan.

doi:10.1007/BF01067719

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Article

The heritability of intelligence in Japan.

Behavior genetics - 1 Jul 1990

Lynn R, Hattori K

Abstract excerpt

Japanese data for 543 monozygotic (MZ) twins and 134 dizygotic (DZ) twins tested for intelligence at the age of 12 give correlation coefficients of .782 and .491, respectively, indicating a heritability of .582. Heavier twins at birth have significantly higher IQs at the age of 12, suggesting tha...

Topics

Birth Weight
Child
Female
Humans
Intelligence
Japan
Male
Phenotype
Twins, Dizygotic
Twins, Monozygotic

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