Introduction: Marital forgiveness is one of the factors related to intimacy, commitment and reduction of marital conflicts and in general is one of the most important effective factors in marital satisfaction; the purpose of this study was to determine the effectiveness of the protocol extracted from the causal model of marital forgiveness on marital intimacy, marital commitment and marital conflicts.
Methods: The present research is experimental of pre-test and post-test type with a control group, which 40 people were selected by the available sampling method, based on the research entry criteria, from among all the women who referred to the counseling centers of Hamedan city in 1400. who were randomly replaced in two experimental and control groups (20 people in each group) and the experimental group received the designed forgiveness intervention extracted from the causal model in a group manner in 8 sessions of 120 minutes. Collected data through Asoudeh and Timuri's Perceived Intimacy Questionnaires (1387), Sanai Zakir and Barati's Marital Conflict Questionnaire (2008), Adams and Jones's Marital Commitment (1997), the research units before and after the intervention using SPSS22 statistical software was analyzed.
Results: The findings showed that the protocol derived from the causal model of forgiveness was effective on increasing women's commitment and intimacy in life by (0.18, 0.16) and reducing marital conflicts (0.56).
Conclusion: According to the obtained results, it can be said that the forgiveness protocol group training approach has been effective in reducing marital conflicts and increasing the commitment and intimacy of women in life.