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Predictive validity of WAIS-r VIQ-PIQ splits in persons with major depression

✍ Scribed by Grant L. Iverson; Ruth A. Turner; Paul Green

Book ID
101261309
Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
69 KB
Volume
55
Category
Article
ISSN
0021-9762

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✦ Synopsis

We selected a sample of patients with depression (N Ο­ 70) and used Bayesian analyses to examine the diagnostic predictive validity of the Wechsler Adult Intelligence Scale-Revised Verbal IQ (VIQ) minus Performance IQ (PIQ) difference score for depression. The patients showed average VIQ-PIQ differences in the expected direction (i.e., VIQ ΟΎ PIQ). However, based on sensitivity, specificity, and positive predictive value statistics, we concluded that the VIQ-PIQ split has very low predictive validity in persons with depression.

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