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Psychol Assess. 2016 Oct;28(10):1166-1171. Epub 2015 Dec 21.

Psychometric properties of the Posttraumatic Diagnostic Scale for DSM-5 (PDS-5).

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Department of Psychiatry, University of Pennsylvania Perelman School of Medicine.
Department of Psychology, University of Texas at Austin.
VA Ann Arbor Healthcare System.


[Correction Notice: An Erratum for this article was reported in Vol 28(10) of Psychological Assessment (see record 2016-36101-001). In the article, the third sentence of the Internal Consistency subsection of the Results section should read: Item 8, “Not being able to remember important parts of the trauma,” had an item–total correlation of .34, and Item 16, “Taking more risks or doing things that might cause you or others harm” had an item–total correlation of .44; the range of item–total correlations for the remaining 18 items was .62–.82, with an average of .70.”] The aim of this study was to evaluate the psychometric properties of the Posttraumatic Diagnostic Scale for DSM–5 (PDS–5), a self-report measure of posttraumatic stress disorder (PTSD) based on diagnostic criteria of the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders. Participants were 242 urban community residents, veterans, and college undergraduates recruited from 3 study sites who had experienced a DSM–5 Criterion A traumatic experience. The PDS–5 demonstrated excellent internal consistency (α = .95) and test–retest reliability (r = .90) and good convergent validity with the PTSD Checklist—Specific Version (r = .90) and the PTSD Symptom Scale—Interview Version for DSM–5 (PSSI–5; r = .85). The PDS–5 also showed good discriminant validity with the Beck Depression Inventory—II and the State–Trait Anxiety Inventory—Trait scale (all ZH > 3.05, ps < .01). There was 78% agreement between the PDS–5 and the PSSI–5. Receiver operating characteristic analysis yielded a cutoff score of 28 for identifying a probable PTSD diagnosis. The PDS–5 is a valid and reliable measure of DSM–5 PTSD symptomatology.

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