Furthermore, some evidence supporting discriminant validity of the questionnaire was found in that the PCL-5 score is more strongly correlated with measures of related constructs (e.g., other measures of PTSD, depression, anxiety symptoms) than those of unrelated constructs (e.g., personality features, alcohol abuse, psychopathy). There is consistent evidence for high concurrent validity of the PCL-5 in the sense of high correlations with other symptom measures of PTSD ( r = .84. In addition, high re-test reliability has been found in three studies ( r = .66-.84). 92 negative alterations in cognitions and mood: α = .78. 96) as well as the four subscales (intrusions: α = .77. Results show high internal consistencies for the total scale (α = .90. In addition to the original English PCL-5, a Swedish version and a Chinese version have also been examined. To our knowledge, four published studies to date have validated the new PCL-5 three were conducted in military or veteran samples ( note that in reference 7 a preliminary version of the PCL-5 was used) and one in a college student sample. Changes between the PCL for DSM-IV and the PCL-5 include (a) adding three new items to assess the new PTSD symptoms blame, negative emotions, and reckless or self-destructive behavior, (b) changing the rating from a 1-5 scale to a 0-4 scale, (c) rewording of existing items to reflect the DSM-5 criteria, and (d) having only one PCL version instead of three versions for military members, civilians and specific events. The Posttraumatic Stress Disorder Checklist (PCL ) is one of the most widely used self-report questionnaire to asses PTSD and has now been revised to correspond to the new DSM-5 criteria of PTSD (PCL-5 ). As the transition from DSM-IV to DSM-5 included substantial changes to the definition of PTSD, existing questionnaires used to assess PTSD needed to be revised by adding new items for symptoms added to the PTSD diagnosis, removing items that are no longer part of the DSM-5 definition, and rephrasing some items. These include an expansion from three to four symptom clusters, the introduction of three new symptoms, and the revision of some already existing symptoms (for an overview, see ). The diagnosis of posttraumatic stress disorder (PTSD) has undergone major changes with the transition from the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV) to DSM-5. However, more research evaluating the underlying factor structure is needed. Overall, the findings show that the German PCL-5 is a reliable instrument with good diagnostic accuracy. CFAs comparing the DSM-5 model with alternative models (the three-factor solution, the dysphoria, anhedonia, externalizing behavior and hybrid model) to account for the structural validity of the PCL-5 remained inconclusive. In addition, the recommended cutoff of 33 on the PCL-5 showed high diagnostic accuracy when compared to the diagnosis established by the CAPS-5. Results showed high internal consistency (α = .95), high test-retest reliability ( r = .91) and a high correlation with the total severity score of the CAPS-5, r = .77. Confirmatory factor analyses (CFA) were performed to analyze the structural validity. To investigate diagnostic accuracy, we calculated receiver operating curves. Internal consistencies and test-retest reliability were computed. MethodsĪ clinical sample of trauma-exposed individuals ( N = 352) was assessed with the Clinician Administered PTSD Scale for DSM-5 (CAPS-5) and the PCL-5. The Posttraumatic Stress Disorder (PTSD) Checklist (PCL, now PCL-5) has recently been revised to reflect the new diagnostic criteria of the disorder.
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