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Normalization of Clinician Administered PTSD Scale-version 1 (CAPS-1) for Psychological Effects due to War

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Author(s): Abbas Firoozabadi | Ali Asghar Asgharnejad Farid | Jafar Mirzaei | Hossein Shareh

Journal: Iranian Journal of Psychiatry and Clinical Psychology
ISSN 1735-4315

Volume: 15;
Issue: 4;
Start page: 334;
Date: 2010;
Original page

Keywords: Clinician Administered PTSD Scale; post traumatic stress disorder; veterans; standardization

ABSTRACT
Objectives: This study was carried out with the aim of normalizing Clinician Administered PTSD Scale-version 1 (CAPS-1) for psychological consequences due to war. Method: Participants comprised 105 Iran-Iraq war male veterans with a disability degree of 15-50 percent all diagnosed with Posttraumatic Stress Disorder (PTSD). Reliability was evaluated by test-retest with two weeks interval and Cronbach's alpha. Factorial analysis with principle component analysis method was used to evaluate validity. Results: Test-retest reliability and Cronbach's coefficient for scale were 0.86 and 0.92 respectively. Factorial analysis with principle component analysis method indicated a high validity for the scale. Exploratory factorial analysis indicated a robust six-factor structure. Conclusion: CAPS-1 has appropriate validity and reliability for the population of Iranian veterans.
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