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J Consult Clin Psychol. 2002 Aug;70(4):880-6.

Pattern of change in prolonged exposure and cognitive-processing therapy for female rape victims with posttraumatic stress disorder.

Author information

1
Center for Trauma Recovery, Department of Psychology, University of Missouri-St. Louis, 63121, USA. pnishith@umsl.edu

Abstract

Curve estimation techniques were used to identify the pattern of therapeutic change in female rape victims with posttraumatic stress disorder (PTSD). Within-session data on the Posttraumatic Stress Disorder Symptom Scale were obtained, in alternate therapy sessions, on 171 women. The final sample of treatment completers included 54 prolonged exposure (PE) and 54 cognitive-processing therapy (CPT) completers. For both PE and CPT, a quadratic function provided the best fit for the total PTSD, reexperiencing, and arousal scores. However, a difference in the line of best fit was observed for the avoidance symptoms. Although a quadratic function still provided a better fit for the PE avoidance, a linear function was more parsimonious in explaining the CPT avoidance variance. Implications of the findings are discussed.

PMID:
12182271
PMCID:
PMC2970921
[Indexed for MEDLINE]
Free PMC Article
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