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  • Title: Application of the four-subtest WAIS-R short form with an older clinical sample.
    Author: Ryan JJ, Georgemiller RJ, McKinney BE.
    Journal: J Clin Psychol; 1984 Jul; 40(4):1033-6. PubMed ID: 6480838.
    Abstract:
    Investigated the validity of the Arithmetic + Vocabulary + Picture Arrangement + Block Design subtest combination as an estimate of the WAIS-R Full Scale IQ in a sample of 55 elderly patients. The correlation between the short-form IQ and the WAIS-R Full Scale IQ was highly significant, r(53) = .95, p less than .001. A pairwise t-test computed between the mean IQs for the two forms was nonsignificant, t(54) less than 1. Approximately one-fourth of the Ss showed changes in intelligence classification levels when the short form was used. The short form does not provide a precise estimate of IQ; however, it appears to have clinical utility as a screening device to identify patients with atypical cognitive functioning. The short form correctly categorized 84% of the current sample with respect to the presence or absence of abnormalities on the full WAIS-R.
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