Restricted accessResearch articleFirst published online 1975-8
Correlations of Scores on the Wechsler Intelligence Scale for Children and the Peabody Picture Vocabulary Test for Adolescents in a Special Educational Program
The Wechsler Intelligence Scale for Children and the Peabody Picture Vocabulary Test were administered to 159 socio-economically deprived Negro adolescents who had been placed in a special educational setting. Ages ranged from 12 to 15 yr., with a mean age of 138 yr. The Wechsler mean Full Scale IQ was 72.4 with a standard deviation of 9.8. Analyses yielded no significant differences between the Verbal and Performance sections of the Wechsler scale and there were no distinctive Wechsler subtest profiles discernible. Inter-correlations of the Wechsler subtests were similar to those reported in the Wechsler manual. While the obtained mean Peabody IQ closely approximated the mean Wechsler IQ, intercorrelations between the Peabody IQ and the Wechsler Full Scale, the Wechsler Verbal, and the Wechsler Performance IQs were relatively low. A statistical test showed a clear cumulative age deficit.
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