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McCarthy Scales of Childrens…1
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Kaufman, Alan S.; Kaufman, Nadeen L. – Journal of School Psychology, 1973
Blacks and whites did not differ significantly on any of the cognitive scales between two and five and a half; between six and eight and a half, whites scored about one-half SD higher. Blacks scored significantly higher on Motor Scales at ages four-five, but there were no differences at other ages. (Author)
Descriptors: Ability, Age Differences, Children, Cognitive Development