en پژوهشي Original Research Articles <p style="text-align: justify;"><strong>Objectives: </strong>The aim of this study was to examine the effectiveness of psychotherapy based on acceptance and commitment therapy (ACT) on the subscales of marital satisfaction overall satisfaction, religious orientation, relations with children, sex, occasional conflicts, interpersonal conflicts and arrogance, by single case study in the spouses of veterans with spinal cord injuries.</p> <p style="text-align: justify;"><strong>Methods:</strong> Participants completed Enrich marital satisfaction questionnaire at baseline (3 to 6 weeks), during six session&rsquo;s psychotherapy and the two-month follow-up.</p> <p style="text-align: justify;"><strong>Results:</strong> Analysis method of charting and visual analysis of the results showed that the (ACT) is an effective therapeutic approach to 4 marital satisfaction subscales but second and third participant didn&rsquo;t show any improvement.</p> <p style="text-align: justify;"><strong>Discussion:</strong> Considering the above, (ACT) is an effective therapeutic approach to overall satisfaction, occasional conflicts, relations with children and interpersonal conflicts.</p> Acceptance and commitment therapy (ACT), Veterans, Marital satisfaction 56 60 http://irj.uswr.ac.ir/browse.php?a_code=A-10-284-1&slc_lang=en&sid=1 Leila Lashani leila_lashani69@yahoo.com No Substance Abuse and Dependence Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran. Ali Farhoudian farhoudian@yahoo.com No Substance Abuse and Dependence Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran. Manoochehr Azkhosh Azkhosh34@yahoo.com Yes University of Social Welfare and Rehabilitation Sciences, Tehran, Iran. Behrooz Dolatshahee dolatshahee@yahoo.com No University of Social Welfare and Rehabilitation Sciences, Tehran, Iran. Heman Saadati Hemnsaadati65@yahoo.com No University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.