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| Age Differences | 1 |
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| Suddick, D. E. | 1 |
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Peer reviewedOsborne, R. T.; Suddick, D. E. – Journal of Genetic Psychology, 1972
The mental growth patterns of 204 children were investigated on four different test occasions covering a five-year period, ages six to 11. There is no evidence of intellectual differentiation after age six nor is there a systematic decline in size of WISC subtest intercorrelations with increasing age. (Authors)
Descriptors: Age Differences, Factor Structure, Hypothesis Testing, Intelligence Differences
