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Watson, David; O'Hara, Michael W.; Chmielewski, Michael; McDade-Montez, Elizabeth A.; Koffel, Erin; Naragon, Kristin; Stuart, Scott – Psychological Assessment, 2008
The authors explicated the validity of the Inventory of Depression and Anxiety Symptoms (IDAS; D. Watson et al., 2007) in 2 samples (306 college students and 605 psychiatric patients). The IDAS scales showed strong convergent validity in relation to parallel interview-based scores on the Clinician Rating version of the IDAS; the mean convergent…
Descriptors: Posttraumatic Stress Disorder, Mental Disorders, Predictive Validity, Patients