University of Tabriz Journal of Modern Psychological Researches 2322-3340 16 61 2021 05 22 Effectiveness of Couple Therapy based on Choice Theory and Acceptance and Commitment (ACT) in Marital Interactions of Couples Effectiveness of Couple Therapy based on Choice Theory and Acceptance and Commitment (ACT) in Marital Interactions of Couples 39 51 12272 FA Maryam Sedghi Department of Psychology, Islamic Azad University, Ardabil, Iran Ozra Ghaffari Department of Psychology, Islamic Azad University, Ardabil, Iran (Corresponding Author) Reza Kazemi Department of Psychology, Islamic Azad University, Ardabil, Iran Journal Article 2020 02 14 <span style="font-family: New;">This study was conducted in order to compare the effectiveness of couple therapy based on choice theory and acceptance and commitment therapy (ACT) in marital interactions of the couples. This study was a semi-experimental study with pretest and posttest design and control group. The study population included married couples in Ardabil in 2017. Therefore, through convenience sampling method, 45 couples who had admitted by the counseling and psychotherapy centers in Ardabil were selected and divided into three groups of Experimental Group 1 (15 couples), Experimental Group 2 (15 couples) and Control Group (15 couples). They were assessed by Dyadic Adjustment Scale (DAS) of Graham B. Spanier. Data were analyzed by MANOVA. Results showed that couple therapy based on choice theory and acceptance and commitment therapy (ACT) were effective in the improvement of marital interactions. So that, compared to couple therapy based on choice theory, acceptance and commitment therapy (ACT) was more effective (p < 0.05) </span> <br /><em><span style="font-family: New;"> </span></em> <span style="font-family: New;">This study was conducted in order to compare the effectiveness of couple therapy based on choice theory and acceptance and commitment therapy (ACT) in marital interactions of the couples. This study was a semi-experimental study with pretest and posttest design and control group. The study population included married couples in Ardabil in 2017. Therefore, through convenience sampling method, 45 couples who had admitted by the counseling and psychotherapy centers in Ardabil were selected and divided into three groups of Experimental Group 1 (15 couples), Experimental Group 2 (15 couples) and Control Group (15 couples). They were assessed by Dyadic Adjustment Scale (DAS) of Graham B. Spanier. Data were analyzed by MANOVA. Results showed that couple therapy based on choice theory and acceptance and commitment therapy (ACT) were effective in the improvement of marital interactions. So that, compared to couple therapy based on choice theory, acceptance and commitment therapy (ACT) was more effective (p < 0.05) </span> <br /><em><span style="font-family: New;"> </span></em> https://psychologyj.tabrizu.ac.ir/article_12272_192cae0df5ff4b58ca57c1acce08e005.pdf