Systemic Couple Therapy for Marital Dynamics and Mental Health

Relationship quality will be measured using the Relationship Quality Scale, a 9-item self-report questionnaire assessing participants' perceptions of the quality of their current relationship. Each item is rated on a 5-point Likert scale from 1 (strongly disagree) to 5 (strongly agree). Total scores range from 9 to 45, with higher scores indicating better relationship quality. Assessments will be conducted at baseline (August) after enrollment, post-intervention (8-weeks )(September), and the 3-month follow-up (December).

Depression severity will be measured using the Patient Health Questionnaire-9, a 9-item self-report questionnaire assessing the frequency of depressive symptoms experienced during the previous two weeks. Each item is scored from 0 (not at all) to 3 (nearly every day). Total scores range from 0 to 27, with higher scores indicating more severe depressive symptoms. Assessments will be conducted at baseline (August) after enrollment, post-intervention (8-weeks )(September), and the 3-month follow-up (December).

Marital communication is defined as the verbal and nonverbal sharing of information among spouses. Marital communication will be assessed using the Dyadic Communication Assessment Scale. The scale consists of 16 items, each rated on a 5-point Likert scale ranging from 1 (Rarely) to 5 (Always). Total scores range from 16 to 80, with higher scores indicating better and more effective marital communication. Assessments will be conducted at baseline (August) after enrollment, post-intervention (8-weeks )(September), and the 3-month follow-up (December).

Dyadic coping is the process by which couple assist each other when one or both are under stress. Dyadic coping will be assessed using the Dyadic Coping Inventory. The inventory consists of 37 items rated on a 5-point Likert scale ranging from 1 (very rarely) to 5 (very often). Total scores range from 37 to 185, with higher scores indicating more effective dyadic coping between partners. Assessments will be conducted at baseline (August) after enrollment, post-intervention (8-weeks )(September), and the 3-month follow-up (December).

Interpersonal relationships will be assessed using the Interpersonal Relationships Rating Scale. The scale consists of 18 items rated on a 5-point Likert scale ranging from 1 (completely inconsistent) to 5 (completely consistent). Total scores range from 18 to 90, with higher scores indicating better interpersonal relationships and interpersonal functioning. Assessments will be conducted at baseline (August) after enrollment, post-intervention (8-weeks )(September), and the 3-month follow-up (December).

Mental health will be measured using the Mental Health Inventory-38, a 38-item self-report questionnaire that assesses overall psychological well-being and psychological distress experienced during the previous month. Responses are recorded using 5-point or 6-point response options depending on the item, and scores are summed to produce a Mental Health Index ranging from 38 to 226. Higher scores indicate better overall mental health, reflecting greater psychological well-being and lower psychological distress. Assessments will be conducted at baseline (August) after enrollment, post-intervention (8-weeks )(September), and the 3-month follow-up (December).