fa اثربخشی درمان فعال‌سازی رفتاری کوتاه‌مدت بر نشخوار فکری و اجتناب تجربی جانبازان مبتلا به اختلال استرس ‌پس از سانحه <div style="text-align: justify;"><strong><span style="color: rgb(20, 19, 20);"><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">Aims:&nbsp;</span></span></span></strong><span style="color: rgb(20, 19, 20);"><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">Post-traumatic stress disorder (PTSD) is one of the prominent psychological consequences of war that is seen in veterans</span></span></span><span style="color: rgb(20, 19, 20);"><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">. Behavioral activation treatment is a short-term intervention that can target a range of disruptions to the disorder.&nbsp;</span></span></span><span style="color: rgb(20, 19, 20);"><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">The purpose of the present study was to investigate effectiveness of short-term behavioral activation therapy on the rumination and experimental avoidance of veterans with PTSD.</span></span></span><span style="color: rgb(20, 19, 20);"><span style="font-family: cambria, serif;"></span></span><br> <strong><span style="color: rgb(20, 19, 20);"><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">Material & Methods:&nbsp;</span></span></span></strong><span style="color: rgb(20, 19, 20);"><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">In this semi-experimental study with pretest-posttest design with control group, 40 veterans with PTSD who referred to Isar Ardabil psychiatric hospital in 2017 were selected&nbsp;</span></span></span><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">through purposive&nbsp;<span style="color: rgb(20, 19, 20);">sampling and randomaly assigned to two groups of experimental and control. The data were collected using a posttrumatic stress disorder checklist (military version), ruminal responses scale and acceptance and action questionnaire-II. Then, behavioral activation therapy were performed for 10 sessions (one hour in per session) for the experimental group. Data were analyzed</span></span></span><span style="color: rgb(20, 19, 20);"><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">&nbsp;by SPSS</span></span></span>&nbsp;<span style="color: rgb(20, 19, 20);"><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">23 using multiple covariance analysis.</span></span></span><span dir="RTL"><span style="color: rgb(20, 19, 20);"><span style="font-family: iransharp_printingsize, sans-serif;"></span></span></span><br> <strong><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">Finding</span></span></strong><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">:</span></span>&nbsp;<span style="font-family: cambria, serif;"><span style="font-size: 10pt;">After controlling the effects of pretest, the mean scores of rumination (F=4.843; p= 0.035) and experiential avoidance (F=5.123; p= 0.030) were significantly higher in the experimental group than the control group.</span></span><br> <strong><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">Conclusion:&nbsp;</span></span></strong><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">Training behavioral activation therapy&nbsp;</span></span><span style="font-family: cambria, serif;"><span style="font-size: 10pt;">reduces rumination and experiential avoidance of veterans with PTSD.</span></span></div> <div style="text-align: justify;"></div> Behavioral Activation Treatment, Experiential Avoidance, Rumination, Stress Disorders, Post-Traumatic, Veterans 1 6 http://ijwph.daneshafarand.org/browse.php?a_code=A-10-1511-1&slc_lang=fa&sid=3 R. Taghavi رامین تقوی 1003194753284600377506 1003194753284600377506 No Clinical Psychology Department, Humanities Faculty, Ardabil Branch, Islamic Azad University, Ardabil, Iran گروه روان‌شناسی بالینی، دانشکده علوم انسانی، واحد اردبیل، دانشگاه آزاد اسلامی، اردبیل، ایران R. Kazemi رضا کاظمی Dr_reza.kazemi@yahoo.com 1003194753284600377507 1003194753284600377507 Yes Psychiaty Department, Medical Faculty, Ardabil Branch, Islamic Azad University, Ardabil, Iran گروه روان‌پزشکی، دانشکده پزشکی، واحد اردبیل، دانشگاه آزاد اسلامی، اردبیل، ایران