ABSTRACT
Post traumatic stress disorder [PTSD] is referred to feed back of exposure in severe stressful situations such as natural disasters, severe accidents and so on. The aim of this study is to evaluate the effect of metacognitive therapy on reduction of PTSD symptoms between accident survivors of Shahr-e-Kord city. This research is semi-experimental. A hospital was selected by cluster sampling that for choosing sample, 36 male who were accident survivors, were selected by using interview based on DSM-IV-TR who were experienced PTSD situation. The subjects were randomly assigned into experimental group [N=18], control group [N=18]. There were attrition in sample that finally experimental and control groups included 15 subjects. The experimental group received eight 90 min weekly sessions of metacognitive therapy. These tools were used in this research: 1-Clinical interview based on DSM-IV-IR, 2-Mississipi PTSD scale [Used in pretest-posttest and follow up sessions]. The results showed that metacognitive therapy, reduced PTSD symptoms in experimental group in post-test and two-month follow up sessions were done [p< 0.01]. Statistically significant differences between pre-test and post-test results in experimental group confirmed the effect of metacognitive therapy on reduction of PTSD symptoms