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| Jensen, Arthur R. | 1 |
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| Reports - Research | 1 |
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Download full textJensen, Arthur R. – 1976
The cumulative deficit hypothesis with respect to age decrement in IQ was investigated in large samples of white and black school children in rural Georgia between the ages of 5 and 18. The cumulative deficits hypothesis suggests that the increasing decrement in mental test scores, relative to population norms, is a function of age in groups…
Descriptors: Black Students, Cognitive Development, Comparative Analysis, Conceptual Schemes
