en پژوهشي Original Research Articles <p style="text-align: justify;"><strong>Objectives:</strong> Present study is designed to investigate the effect of stress management training by using cognitive behavioral method on stress of mothers of children with Oppositional Defiant Disorder.</p> <p style="text-align: justify;"><strong>Methods:</strong> The study was done in a quasi-experiment designed as pre-post-test with control group. The participants were 20 mothers of oppositional defiant disorder children, ages from 4 to7 years old. They were randomized to experimental (n=10) and control (n=10) groups. The experimental group trained stress management program with method of cognitive-behavioral during 10 sessions, once a week. During this period, the control group did not receive any intervention. Both groups were assessed by Parental Stress Index in pretest and posttest. Data were analyzed by analysis of covariance.</p> <p style="text-align: justify;"><strong>Results:</strong> Findings indicated that a significant difference between the mean of stress of two groups in posttest in both child and parent domains and the stress scores were significantly decreased in experimental group after intervention.</p> <p style="text-align: justify;"><strong>Discussion:</strong> Regarding to the positive effects of stress management by using cognitive-behavioral method can be suggested as an effective method for mothers with Oppositional Defiant Disorder children to reduce their stress and control their child&rsquo; behavior.</p> Stress management, Cognitive-behavioral method, Oppositional defiant disorder 43 47 http://irj.uswr.ac.ir/browse.php?a_code=A-10-337-1&slc_lang=en&sid=1 Elahe Hojati abed elahe_hojati@yahoo.com No University of Social Welfare and Rehabilitation Sciences, Tehran, Iran. Hooshang Mirzaie hooshang_mirzaie@yahoo.com Yes University of Social Welfare and Rehabilitation Sciences, Tehran, Iran. Ahmad Aahmadi ahmady457@ut.ac No University of Tehran, Tehran, Iran.