Comparative validity of two WAIS-R short forms with clients of low IQ
- 1 March 1985
- journal article
- research article
- Published by Wiley in Journal of Clinical Psychology
- Vol. 41 (2) , 282-284
- https://doi.org/10.1002/1097-4679(198503)41:2<282::aid-jclp2270410225>3.0.co;2-t
Abstract
This study investigated the validity of two and four-subtest combinations as estimates of WAIS-R Full Scale IQ among clients of low IQ (N = 100). Differences between the short-form means were small and nonsignificant. The correlation between Full Scale IQ and two-subtest estimates was .86 and was .92 for the four-subtest estimate. These account for 74% and 85% of the variance, respectively. The two-subtest form correctly classified 69% of the subjects by intelligence category, and the four-subtest form correctly classified 85%. It was concluded the four-subtest form is superior as a screening device when complete administration of the WAIS-R is not feasible.Keywords
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