en Sexual behavior پژوهشي Research Article <div> <div id="_com_3" uage="JavaScript"> <div> <div> <div id="_com_1" uage="JavaScript"><strong>Background</strong>: Marital conflict is a type of lack of ongoing meaningful agreement between spouses. The present study aimed to investigate the effectiveness of mindfulness-based cognitive therapy on sexual self-efficacy and marital satisfaction in couples with marital conflicts.</div> </div> </div> </div> <strong>Materials and Methods:</strong> This quasi-experimental study was carried out on the intervention and control groups with a pretest/posttest design and follow-up. The study population consisted of 30 females who referred to counseling centers in district 1 of Tehran, Iran, in 2018 through simple random sampling. The participants were randomly divided into two groups, each with 15 members. The intervention group received mindfulness-based cognitive therapy, and the control group received no intervention. Data collection tools were the questionnaires of sexual self-efficacy, marital satisfaction, and marital conflicts. The questionnaires were filled out by the participants before and after the intervention and 3 months later. The collected data were analyzed using repeated measurement analysis and analysis of covariance by SPSS software (version 22).<span dir="RTL"></span><br> <strong>Results:</strong> The results of the study showed that mindfulness-based cognitive therapy led to increased sexual self-efficacy (P<0.033) and marital satisfaction (P<0.003) in the intervention group; however, in the control group, there was no significant difference in pretest, posttest and follow-up scores.<br> <strong>Conclusion:</strong> Based on the results, it can be concluded that mindfulness-based cognitive therapy can improve sexual self-efficacy and marital satisfaction in couples with marital conflicts. <hr align="left" size="1" width="33%" > <div><div id="_com_1" uage="JavaScript"></div></div> <div></div></div> Mindfulness, Self-efficacy, Family conflicts, Personal satisfaction, Sexual behavior 29 36 http://ajnpp.umsha.ac.ir/browse.php?a_code=A-10-218-2&slc_lang=en&sid=1 Negin Ismaeilzadeh neginesmaeilzadeh@yahoo.com 10031947532846004174 10031947532846004174 No PhD Student, General Psychology, Department of Psychology, Rasht Branch, Islamic Azad University, Rasht, Iran Bahman Akbari akbari@iaurasht.ac.ir 10031947532846004175 10031947532846004175 Yes Associate Professor, Department of Psychology, Rasht Branch, Islamic Azad University, Rasht, Iran