The Post-Traumatic Stress Disorder Checklist - Civilian Version (PCL-C)   Weathers et al., 1993 The PCL-C is a 17-item self-report measure assessing symptoms of PTSD in adults. The PCL-C can be used as a screening and diagnostic tool (Wilkins, Lang, & Norman, 2011). The PCL-C has been used in studies with adolescents (Wang et al., 2012; Calderoni, Alderman, Silver, & Bauman, 2006) and a separate adolescent version exists (PCL-C/PR, Ford et al., 2000) but is not freely available. Each item is rated on a 5-point scale from one (“ not at all”) to five (“extremely”). The PCL-C was designed to be administered in 5-10 minutes and can be scored in several ways, including a total symptom severity score that ranges from 17-85, or by mapping onto DSM-IV criteria for PTSD. Empirical research suggests that five points on the PCL-C is a minimum threshold for determining whether an individual has responded to treatment and 10 points as a minimum threshold for determining whether the improv