Implementation of the McMaster Model in Family Therapy: Effects on Family Function in Married Couples

Objective: Family function is one of the main effective factors on stability of the family. Family therapy can promote family function and performances. This study aimed to assess the effects of family therapy on family function among couples in Yazd province (Iran) based on the McMaster model. Method: The research population was selected from volunteer couples in Yazd in 2017 who were invited by publicity announcement to participate in this research. Finally, 40 couples were selected and randomly divided into 2 intervention and control groups. Participants answered to the demographic and Family Assessment Device (FAD) questionnaires. The acquired information was analyzed using inferential and descriptive statistics and SPSS 21 software. Results: The outcomes showed significant differences between the intervention and control groups in problem-solving (p = 0.01), communication (p 0.0001), emotional responsiveness (p = 0.01), emotional involvement (p 0.0001), and general function (p = 0.04). The roles and behavior control domains were improved after the intervention in 2 groups, but the differences were not significant. Conclusion: Family therapy based on McMaster model can promote the skills of problem- solving, family communication, emotional responsiveness, emotional involvement, and general function in couples. Healthy family functioning is a substantial domain of concern for mental health specialists who provide family interventions. Our findings enhance considerably to family professionals’ knowledge about patterns of family function in Iranian families.