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Peer reviewedJensen, Arthur R.; Johnson, Fred W. – Intelligence, 1994
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)
Descriptors: Blacks, Children, Correlation, Family Characteristics
Peer reviewedReynolds, Cecil R. – Intelligence, 1980
Raw scores on WISC-R subtests and the verbal, performance, and full scale IQ scales were correlated with age separately for White and Black males and females. The relationship between age and intelligence test performance was constant across race and sex and supports the construct validity of the WISC-R. (Author/RD)
Descriptors: Age Differences, Black Students, Correlation, Elementary Secondary Education
