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Relationship between the WAIS-R and Wide Range Achievement Test-RevisedUniversity of Alabama
University of Alabama This study is a concurrent validation of Level II of the WRAT-R using the WAIS-R Verbal, Performance, and Full Scale IQ scores as criterion measures. Forty-five subjects were administered the WAIS-R and WRAT-R and their scores correlated. The results showed the same pattern of correlations between the WAIS-R IQ scores and the WRAT-R Reading, Spelling, and Arithmetic standard scores that has been found between the WAIS and WRAT and the WISC-R and WRAT. For this sample, the standard scores on the WRAT-R averaged approximately nine points below the average WAIS-R IQ scores. The inclusion of some retarded subjects in the sample may have lowered the mean standard scores for the WRAT-R. Prior research has indicated that WRAT scores are not predicted effectively by IQ scores of retarded subjects. While the WRAT-R appears to have the same relationship to intelligence scores as the WRAT, further research is needed to determine if this holds for other subject groups and for Level I of the WRAT-R.
Educational and Psychological Measurement, Vol. 46, No. 4,
1037-1040 (1986) This article has been cited by other articles:
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