fa بررسی اثربخشی آموزش روان درمانی مثبت نگر بر بهزیستی روانی و عزت نفس نوجوانان مبتلا به اختلال افسردگی روانشناسی Psychology Original Article &nbsp;<strong>Background:</strong> The purpose of this study was to investigate the effectiveness of positive psychotherapy on psychological well-being and self-esteem in adolescents with depression. <pre> <strong>Methods:</strong> The research method was a controlled randomized trial with a two-month follow-up period. The statistical population of this study was adolescents with depression disorder in Isfahan city in the academic year of 2011-2012. By a multi-stage random cluster sampling , 30 adolescents with depression disorder were picked and randomly assigned into one control group (15 adolescents) and one test group (15 depressed teenagers). The test group received positive psychotherapy intervention for 2 months and a half (10 sessions), while the control group received no intervention during the study. In this study, data collection tools were psychological well-being questionnaire, self-esteem questionnaire, and depression questionnaire. Data were analyzed using repeated measure ANOVA.</pre> <strong>Results:</strong> The results of the data analysis indicated that mean scores of psychological well-being and self-esteem in adolescents with depression disorder in district 2, in Isfahan were significantly increased by positive psychiatric intervention in post-test and follow-up stages (P-value < 0.001).<br> <strong>Conclusion:</strong> Based on the findings of this study, it is suggested that a positive psychotherapy treatment method be used to improve psychological well-being and self-esteem in adolescents with depression disorder.<br> &nbsp; Depression, Positive Psychotherapy, Psychological Well-Being Self-Esteem 153 163 http://sbrh.ssu.ac.ir/browse.php?a_code=A-10-85-1&slc_lang=fa&sid=1 Hamidreza Mahmoudi hm.1354@yahoo.com No Psychology Department, Psychology Faculty, Islamic Azad University, Naein Branch, Isfahan, Iran. Hasan Khoshakhlagh khoshakhlagh_h@yahoo.com 0000-0002-6710-4280 Yes Psychology Department, Psychology Faculty, Islamic Azad University, Naein Branch, Isfahan, Iran.