Dimensionality of dissociation in subjects with PTSD
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Dissociative symptoms are common in patients with Post-traumatic stress disorder (FFSD). The Dissociative Experiences Scale (DES) is a self-report measure that is often used to assess these symptoms quantitatively. The present study examined the factor structure of the DES in a sample of 129 male combat veterans with PTSD. Quantitative and conceptual criteria were used to select a four-factor solution. One of the subscaks (labeled Depersonalization/ Derealization) was consistent with a scale found in an earlierfactor analysis using a nonclinical subject sample. Three other factors included Memory Disturbance, Absorption, and Distractibility. While these scales are intercorrelated, they may measure conceptually distinct types of dissociative symptoms.
author list (cited authors)
Amdur, R. L., & Liberzon, I.