Traumatology: An International Journal Vol. 24, Iss. 3,  (Sep 2018): 157-167. DOI:10.1037/trm0000140 This naturalistic study of evidence-based psychotherapies (EBPs) for posttraumatic stress disorder (PTSD) in U.S. veterans examined treatment utilization and completion rates, the characteristics of EBPs in an ecologically valid sample, and the factors associated with premature termination. The study is an extension of previous work by Deviva and colleagues (2017), and was conducted in a Department of Veterans Affairs PTSD clinic that included 130 veterans.. To read the full article, log in using your NHS OpenAthens details.