Iranian Educational Research Association Journal of Research in Educational Systems 2383-1324 14 50 2020 09 22 The effectiveness of self-encouragement training based on the Adler's theory on percieved self-efficacy and Psychological well-Being The effectiveness of self-encouragement training based on the Adler's theory on percieved self-efficacy and Psychological well-Being 37 55 110887 FA Zahra Sohrabi educational psychology, Allameh Tabataba&amp;rsquo;i University Fariborz Dortaj Professor of educational psychology, Allameh Tabataba&rsquo;i University 0000-0002-9186-2196 Afsaneh Lotfi Azimi Tehran South Branch, Islamic Azad University Journal Article 2020 03 29 The purpose of the present study is to investigate the training of self-encouragement based on the Adler's theory of percieved self-efficacy and Psychological well-Being of female high school students. This study method was quasi-experimental design with pretest, posttest, control group and follow-up after 6 months. The population of this study was all high school girl students in Tehran during the academic year 2018-19. The sample consisted of 60 students (30 participants for each group) who were selected by cluster random sampling method, then the experimental group received training self-encouragement for eight 90-minute sessions once a week in group form, meanwhile the control group did not receive any training. The instrument used in this study was Morgan-jinks's percieved self-efficacy scale (1999) and Ryff's Psychological well-Being scale (1989). Data were analyzed using repeated measurements design. The results indicated that self-encouragement training on perceived Self-efficacy (p < 0/01) and Psychological well-Being (p < 0/01) caused to increase their amount. And that this effect in Psychological well-Being remained stable after the follow-up phase. Regarding the effectiveness of this training on increasing the perceived Self-efficacy and Psychological well-Being, this training is evaluated useful for students. The purpose of the present study is to investigate the training of self-encouragement based on the Adler's theory of percieved self-efficacy and Psychological well-Being of female high school students. This study method was quasi-experimental design with pretest, posttest, control group and follow-up after 6 months. The population of this study was all high school girl students in Tehran during the academic year 2018-19. The sample consisted of 60 students (30 participants for each group) who were selected by cluster random sampling method, then the experimental group received training self-encouragement for eight 90-minute sessions once a week in group form, meanwhile the control group did not receive any training. The instrument used in this study was Morgan-jinks's percieved self-efficacy scale (1999) and Ryff's Psychological well-Being scale (1989). Data were analyzed using repeated measurements design. The results indicated that self-encouragement training on perceived Self-efficacy (p < 0/01) and Psychological well-Being (p < 0/01) caused to increase their amount. And that this effect in Psychological well-Being remained stable after the follow-up phase. Regarding the effectiveness of this training on increasing the perceived Self-efficacy and Psychological well-Being, this training is evaluated useful for students. https://www.jiera.ir/article_110887_6e55f26dc6eb9a0ae8abbf206b950d5a.pdf