The effectiveness of self-encouragement training based on the Adler's theory on percieved self-efficacy and Psychological well-Being

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.