An analysis of intelligence quotient (IQ) in relation to head size was performed on about 14,000 children aged 4 and 7 years, almost equally divided by race (white and black) and sex. Correlation between head size (by inference, brain size), and IQ is established as a within-families correlation. (SLD)

Four experiments explored adults' and grade school children's beliefs about inheritability of racial identity. Found that older children and adults believed that mixed-race children possessed black racial features. Also found that children from an integrated school, regardless of race, expected mixed-race children to have intermediate racial…