Racial differences in environmental influences on numerical ability as determined by heritability estimates.
D000223:Adaptation, Psychological; D000293:Adolescent; D001077:Aptitude Tests; D044383:Black People; D003467:Cultural Deprivation; D004777:Environment; D005260:Female; D006801:Humans; D008297:Male; D008433:Mathematics; D011247:Pregnancy; D011581:Psychological Tests; D014427:Twins; D044465:White People