MEDICAL DIAGNOSIS AND INTELLIGENCE LEVELS IN YOUNG MENTALLY RETARDED CHILDREN

Abstract
The relationship of diagnosis to initial and subsequent intelligence test levels in 282 young retarded children was investigated through repeated psychometric evaluation on the Bayley Infant Scales of Mental Development or the Stanford-Binet. Although etiology related to 1st test scores (or rate of initial progress), it had no bearing on changes in scores (or course of development). Implications of the stable scores for this heterogeneous population were discussed.

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