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Dyadic Short Forms of the Wechsler Adult Intelligence ScaleIII
University of Texas Southwestern Medical Center at Dallasmunro.cullum{at}utsouthwestern.edu. Various short forms of the Wechsler Adult Intelligence Scale (WAIS)/WAIS-R have been developed to obtain estimates of overall intellectual level, although little research of WAIS-III short forms has been published to date. Full Scale IQ (FSIQ) estimates from four WAIS-III dyadic short forms were obtained by entering selected subtest scores from a mixed neurologic/psychiatric sample (n = 196) into regression equations. Results were cross validated on a second sample (n = 57). Within both samples, WAIS-III FSIQ scores were highly correlated (r = .90-.92, p < .001) with estimated FSIQ scores. Estimated FSIQ fell within 5 points of actual FSIQ in 49% to 74% of cross-validation cases and within 10 points of actual FSIQ in 81% to 93% of the sample. Comparable to findings from previous short-form investigations, actual and estimated FSIQ classification levels agreed in 46% to 67% of cases in the cross-validation sample. These dyadic WAIS-III forms appear appropriate for obtaining gross estimates of FSIQ in similar populations, although caution is recommended in interpreting estimated IQ scores.
Key Words: WAIS-III short form IQ assessment
Assessment, Vol. 9, No. 3,
254-260 (2002) This article has been cited by other articles:
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