韦氏成人智力量表修订版（WAIS-R）言语智商与操作智商差异对重度抑郁症患者的预测效度。
Predictive validity of WAIS-R VIQ-PIQ splits in persons with major depression.
作者信息
Iverson G L, Turner R A, Green P
机构信息
Department of Psychiatry, University of British Columbia and Riverview Hospital, Vancouver, Canada.
出版信息
J Clin Psychol. 1999 Apr;55(4):519-24. doi: 10.1002/(sici)1097-4679(199904)55:4<519::aid-jclp14>3.0.co;2-b.
We selected a sample of patients with depression (N = 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 > 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.
我们选取了一组抑郁症患者样本（N = 70），并使用贝叶斯分析来检验韦氏成人智力量表修订版言语智商（VIQ）减去操作智商（PIQ）的差异分数对抑郁症的诊断预测效度。患者在预期方向上表现出平均的VIQ - PIQ差异（即VIQ > PIQ）。然而，基于敏感性、特异性和阳性预测值统计，我们得出结论，VIQ - PIQ差异在抑郁症患者中具有非常低的预测效度。
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