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- Title
Preliminary reliability and validity of the Clinician-Administered PTSD Scale for schizophrenia.
- Authors
Gearon, Jean S; Bellack, Alan S; Tenhula, Wendy N
- Abstract
This study provides preliminary psychometric support for a version of the Clinician-Administered Posttraumatic Stress Disorder (PTSD) Scale (CAPS; D. D. Blake et al., 1990) adapted for use with patients with schizophrenia (CAPS-S; J. S. Gearon. S. Thomas-Lohrman, & A. S. Bellack, 2001). Nineteen women with schizophrenia and co-occurring illicit drug use disorders were administered the CAPS-S, the Structured Clinical Interview for DSM-IV diagnoses (SCID). and scales measuring trauma-related psychopathology. The results indicate that the CAPS-S can distinguish between those with and without PTSD and that the symptom clusters measure unified constructs. Interrater and test-retest reliability were high for PTSD diagnosis and symptom clusters. Solid convergent validity was demonstrated between the CAPS-S and SCID-based PTSD diagnoses and the Impact of Event Scale. There is also preliminary evidence of discriminant validity. These results support the use of the CAPS-S in women with schizophrenia.
- Publication
Journal of consulting and clinical psychology, 2004, Vol 72, Issue 1, p121
- ISSN
0022-006X
- Publication type
Journal Article
- DOI
10.1037/0022-006X.72.1.121