Comparison Of The Effectiveness Of Acceptance And Commitment Therapy, Mindfulness And Motivational Interviewing On Psychological Flexibility In Men With Substance Abuse Disorder Undergoing Maintenance Therapy

Abstract

Aim: The aim of this study was to compare the effectiveness of Acceptance and Commitment therapy, mindfulness and motivational interviewing on psychological flexibility in men with substance abuse disorders under maintenance treatment. Method: The research design was a quasi-experimental pretest-posttest with a control group. The statistical population included all men with Robat Karim opioid abuse disorder who referred to substance abuse treatment centers in this city from March 2017 to June 2014. Among them, a sample of 72 people was selected using cluster random sampling method and randomly placed in three experimental groups and one control group. Bond et al the Acceptance and Action Questionnaire (2011) questionnaire was used to collect data. The experimental groups underwent ten sessions of 50 minutes under the group of Acceptance and Commitment therapy, motivational interview and mindfulness. But the control group did not receive any intervention. Results: The results of one-way analysis of covariance showed that there is a significant difference between all three approaches of treatment based on acceptance and commitment, mindfulness and motivational interview and the control group in the degree of psychological flexibility of men with substance abuse disorder. Also, there is no significant difference between acceptance, commitment and mindfulness groups. But the mean of acceptance and commitment group is higher than the mean of motivational interview group (p <0.001). Also, the mean of mindfulness group is higher than the mean of motivational interview group (p <0.001). Conclusion: Based on the findings, it can be concluded that therapies based on acceptance, commitment and mindfulness are effective on the psychological flexibility of men with substance abuse disorders