%0 Journal Article %A Hadadranjbar, S %A Sadipour, E %A Dortaj, F %A Delavar, A %A Ebrahimi Qavam, S %T Effect of Education based on Acceptance and Commitment Approach in Reducing students’ Self -Defeating Behaviors: According to the educational package developed %J Research in Medical Education %V 10 %N 2 %U http://rme.gums.ac.ir/article-1-591-en.html %R 10.29252/rme.10.2.8 %D 2018 %K Acceptance and Commitment, Training, Self-defeating, behavior, students, %X Introduction: Self-defeating behaviors refer to the conscious and deliberate actions in spite of preliminary positive consequences, ultimately lead to a person's defeat. The present study aimed to develop an educational package based on the acceptance and commitment approach to reduce the students' educational self-defeating behaviors and determine its effectiveness. Methods: This study has been done in 2 stages using multiple methods. First stage include developing and accreditation of educational package using content analysis method and second stage using quasi experimental with pre-test and post test design with control group for determining educational curriculum efficacy. Statistical population consist of undergraduate students of Vali Asr University of Rafsanjan in 2016-2017. 300 students were selected through random multi-stage cluster sampling .A questionnaire of knowledge and self-defeating behaviors was used for screening subjects with self-defeating behaviors. finally 40 students with self-defeating behaviors were selected and replaced in 2 groups of experimental and control group randomly each of 20 .Data were analyzed using statistical analysis and Multivariate analysis of variance through SPSS. Findings: findings showed scores of experimental group has significantly reduced in comparison with control group in educational self-defeating behavior (P <0.0001, F=557.28) also Self-defeating behaviors have been significantly reduced with pre-test and follow-up (P <0.0001, F=170.67) . Conclusion: Results show that educational package based on the acceptance and commitment approach is valid and leads to decreasing Self-defeating behaviors. Overall, this research provides a protection for acceptance and commitment training in reducing self-defeating behaviour. %> http://rme.gums.ac.ir/article-1-591-en.pdf %P 8-17 %& 8 %! %9 Research %L A-10-685-1 %+ Department of Educational Psychology, Allameh Tabataba'i University Tehran, Iran %G eng %@ 2008-952X %[ 2018