![]() Preliminary Evaluation of the Psychometric Properties of the PTSD Checklist for DSM – 5. Scale available from the National Center for PTSD at ReferencesĬohen, J., et al. (2013).The PTSD Checklist for DSM-5 (PCL-5). Weathers, F.W., Litz, B.T., Keane, T.M., Palmieri, P.A., Marx, B.P., & Schnurr, P.P. If the scale is used to track symptoms over time, a minimum 10 point change represents clinically significant change (as based on the PCL for DSM-IV change scores). Examine items rated as 2=”Moderately” or higher as an endorsed symptom, then following the DSM-5 diagnostic rule which requires at least: 1 B item (questions 1-5), 1 C item (questions 6-7), 2 D items (questions 8-14), 2 E items (questions 15-20).This cut-off has high sensitivity (.78) and specificity (.98) (Cohen et al., 2015). A cut-off raw score is 38 for a provisional diagnosis of PTSD.There are two methods for determining a provisional PTSD diagnosis. These scores range between 0 to 5, where higher scores represent higher severity.Ġ = Not at all 1 = A little bit 2 = Moderately 3 = Quite a bit 4 = Extremely In addition to a raw score being presented, a “mean score” is also computed, which is the subscale score divided by the number of items. Hyper-arousal (items 15-20 – max score = 24).Negative alterations in cognition and mood (items 8-14 – max score = 28).Re-experiencing (items 1-5 – max score = 20).Scores consist of a total symptom severity score (from 0 to 80) and scores for four subscales: In a student validation sample (n = 2490) PTSD prevalence was 1.4% using both methods. There was also a high correlation between the two scoring methodologies: symptom severity and diagnostic classification scoring methods (Cohen et al., 2015). ![]() PCL-5 validation studies show all four criterion scales demonstrate high internal consistency (Cohen et al., 2015). Repeated, disturbing dreams of the stressful experience. The PCL-5 can be used to monitor symptom change, to screen for PTSD, or to make a provisional PTSD diagnosis. Repeated, disturbing, and unwanted memories of the stressful experience. Negative alterations in cognition and mood (criterion D).Included in the scale are four domains consistent with the four criterion of PTSD in DSM-5: The PCL-5 is a 20 item self-report measure of the 20 DSM-5 symptoms of Post Traumatic Stress Disorder (PTSD).
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