First graders (N=26) completed the Wechsler Intelligence Scale for Children-Revised, McCarthy Scales, and Woodcock-Johnson Scales of Cognitive Ability. Two years later, their academic achievement was determined by Wide Range Achievement Test and teacher ratings. Results suggest that all three intellectual measures are appropriate for predicting…

Examined the efficacy of the McCarthy Scales as a predictor of reading readiness and achievement in a kindergarten sample (N=33). Results confirmed the predictive validity of the McCarthy Scales and suggested that, for this sample, visual discrimination and sequential ability skills may have been more important factors than verbal abilities.…

Thirty normal first-grade students with a mean age of 7.0 years were administered the Wechsler Intelligence Scale for Children-Revised, the McCarthy Scales of Children's Abilities, and the Woodcock-Johnson Tests of Cognitive Ability. Pearson intercorrelations among the summary indices of these cognitive measures were uniformly high, ranging from…

The Wechsler Intelligence Scale for Children-Revised (WISC-R) Comprehension, Arithmetic, and Object Assembly and McCarthy Quantitative and Memory Indices were most sensitive to learning disabled students' achievement. Conversely, the WISC-R Similarities and Arithmetic and the McCarthy Verbal Index were most sensitive to achievement of nonlearning…