effectiveness of acceptance and commitment therapy on psychological flexibility in obese women

objective: the aim of this study was performed to determine the effectiveness of acceptance and commitment therapy on psychological flexibility in obese women in isfahan, iran. materials and methods: this was a quasi-experimental pre-test, post-test trial with follow-up. the study population was all of the obese women in isfahan in 2014 (bmi≥30).the sample of study was selected by convenience sampling method. they were randomly assigned to two experimental and control groups (15 per group). the acceptance and action questionnaire for weight-related difficulties (lillis & hayes, 2008) was the study instrument. the intervention was 8 sessions of 90 minutes. acceptance and commitment therapy was provided only to the experimental group. data was analyzed by spss. results: results of covariance analysis showed a significant increase in psychological flexibility at post-test and follow-up stage (p<0.05). conclusion: our findings showed that acceptance and commitment therapy has been effective on psychological flexibilityof obese women.