Date Approved
12-14-2007
Date Posted
10-1-2013
Degree Type
Open Access Dissertation
Degree Name
Doctor of Philosophy (PhD)
Department or School
Psychology
Committee Member
Dean Lauterbach, Ph.D., Chair
Committee Member
Norman Gordon, Ph.D.
Committee Member
John Knapp, Ph.D.
Committee Member
David C. S. Richard, Ph.D.
Committee Member
Amy Young, Ph.D.
Abstract
This study investigated the psychometric properties of the Computerized PTSD Scale-Multimedia Version (CPS-M: Richard, Mayo, Bohn, Haynes, & lll Kolman, 1997), a self-administered adaptation of the Clinician-Administered PTSD Scale (CAPS: Blake, Weathers, Nagy, Kaloupek, Klauminzer, Charney, & Keane, 1990). The sample included 161 participants from both a veteran's hospital and from a large urban outpatient HMO system who reported a history of trauma. Indices of internal consistency reliability (i.e., inter-item correlations, item-scale correlations, coefficient alpha) and temporal stability fell in satisfactory ranges. To assess convergent and discriminant validity, correlations were calculated between the CPSM and the following instruments: Purdue PTSD Scale, Beck Depression Inventory II (BDI-II), Hospital Anxiety and Depression Scale (HADS), Yale-Brown Obsessive Compulsive Scale (YBOCS), and Antisocial Behavior Inventory (ASBI). As hypothesized, the CMS-M was most strongly correlated with another measure of PTSD (r = .90) followed by the BDI-II (r = .85), HADS (r = .79), YBOCS (r = .71), and ASBI (r = .25). Confirmatory factor analysis procedures were used to assess fit of a set of nested measurement models. The fit of four different measurement models was tested. An oblique four-factor, first order model composed of reexperiencing (Bl-B5), avoidance (Cl-C2), dysphoria (C3-C7 & Dl-D3), and hyperarousal (D4- D5) provided the best fit to the data.
Recommended Citation
Mason, Shawn Thomas, "Psychometric properties and factor structure of the computerized PTSD scale -multimedia version among adult samples reporting trauma" (2007). Master's Theses and Doctoral Dissertations. 531.
https://commons.emich.edu/theses/531