The usefulness of the IQ in predicting the performance of moderately mentally retarded children.
D000293:Adolescent; D000328:Adult; D000375:Aging; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D005260:Female; D006801:Humans; D007361:Intelligence Tests; D008297:Male; D011581:Psychological Tests; D012723:Sex