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  • Title: A factor analysis of the DSM-III post-traumatic stress disorder criteria.
    Author: Watson CG, Kucala T, Juba M, Manifold V, Anderson PE, Anderson D.
    Journal: J Clin Psychol; 1991 Mar; 47(2):205-14. PubMed ID: 2030125.
    Abstract:
    The authors factor analyzed DSM-III-based post-traumatic stress disorder symptom ratings made on 131 Vietnam-veteran PTSD patients. Five factors--termed Intrusive Thoughts and Their Effects, Increased Arousal, Impoverished Relationships, Guilt, and Cognitive Interference--emerged. The factor structure gave more support to Laufer, Brett and Gallops' conceptualization of PTSD than to the Horowitz, DSM-III, or DSM-III-R systems. It also generated suggestions for future editions of the diagnostic manual.
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