Abstract
The purpose of this study was to investigate the relationship between the raw scores on the General Information subtest of the Peabody Individual Achievement Test (PIAT) and full scale intelligence quotients determined by the Wechsler Intelligence Scale for Children-Revised (WISC-R). Subjects were 144 children, ranging in age from 12 years 2 months to 16 years 11 months. Subjects were divided into mentally retarded (IQ < 75) and non-retarded (IQ > 75) groups. A relatively high correlation (r = .60) between the two instruments was obtained with the non-retarded population, whereas a low correlation (r = .05) was obtained with the retarded population. Race and sex of the subjects appeared not to be factors in the relationships. Results indicated that the PIAT General Information subtest is useful as a general screening instrument, but only with non-retarded subjects.
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