Abstract
The relationships between the McCarthy General Cognitive Index and WISC-R Full Scale IQ with the Wide Range Achievement Test Reading scores were explored with a sample of 20 educable mentally retarded (M age = 7–10) and 20 learning disabled (M age = 8–1) children. Wide Range Achievement Test scores did not correlate significantly with the WISC-R and McCarthy scores for the retarded sample, while substantial correlations were found for the learning disabled group. Analysis indicated that the McCarthy and WISC-R were positively and equally related to the Wide Range Achievement Test Reading section. Implications of these findings are discussed.
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