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IRCT20250609066149N1 IRCT 2025-09-16 Islamic Azad University Acceptance and Commitment Therapy (ACT) on rumination, internalized shame, and distress tolerance The effectiveness of acceptance and commitment therapy (ACT) counseling on rumination, internalized shame, and distress tolerance in women affected by marital infidelity. 2025-09-22 anticipated 30 Complete https://irct.ir/trial/85054 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Education/Guidance, Randomization description: The randomization method used in this study is block randomization with a fixed block size of 4. The allocation sequence will be generated using Random Allocation Software and placed in sequentially numbered, sealed, opaque envelopes. After final confirmation of each participant's eligibility, the researcher will open the envelopes in sequential order and assign individuals to either the intervention or control group, Blinding description: Assessors and data analysts will be unaware of the grouping of participants (intervention or control) to avoid bias in the measurement of outcomes. Participants cannot be blinded to the nature of the intervention (counseling), but they will be informed that they are receiving one of the validated intervention methods. The interventionist (counselor) cannot be blinded to the nature of the ACT treatment, but the intervention protocol will be implemented in a standardized manner to reduce bias. This design is considered a single-blind design. N/A Women affected by marital infidelity. Intervention 1: Intervention group (ACT):Therapeutic method: Acceptance and commitment therapy (ACT) with an emphasis on accepting emotions, committing to values, and reducing rumination.Number and duration of sessions: 8 weekly sessions (90 minutes each) individually or in groups.Content: Mindfulness exercises, self-compassion, and distress tolerance skills.Equipment: Educational handouts, questionnaires, and a quiet counseling environment. Intervention 2: Control group: Do not receive intervention but receive usual counseling services (without ACT) or waitlist. Assessment: Pre-test and post-test similar to ACT group. (If medication or specific substances were used, details were mentioned, but this study is purely psychotherapy.). Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is No further information available.
public Samira Seyed Asiaban
Islamic Azad University Ahvaz Branch، Farhangshahr، Golestan Highway
Ahvaz Iran (Islamic Republic of) 3733361349 +98 61 3334 8420 info@iauahvaz.ac.ir Islamic Azad University scientific Samira Seyed Asiaban
Islamic Azad University Ahvaz Branch، Farhangshahr، Golestan Highway
Ahvaz Iran (Islamic Republic of) 3733361349 +98 61 3334 8420 info@iauahvaz.ac.ir Islamic Azad University Iran (Islamic Republic of) Experience of marital infidelity Referral to counseling centers or psychological clinics in Ahvaz due to mental or emotional problems resulting from marital infidelity Informed consent to participate in treatment sessions and research assessments High score on rumination or internalized shame 20 years 50 years Female Sustained psychiatric medication use The existence of acute family crises Drug addiction Z63.0 Problems in relationship with spouse or partner Treatment - Other N/A Intervention group (ACT):Therapeutic method: Acceptance and commitment therapy (ACT) with an emphasis on accepting emotions, committing to values, and reducing rumination.Number and duration of sessions: 8 weekly sessions (90 minutes each) individually or in groups.Content: Mindfulness exercises, self-compassion, and distress tolerance skills.Equipment: Educational handouts, questionnaires, and a quiet counseling environment Control group: Do not receive intervention but receive usual counseling services (without ACT) or waitlist. Assessment: Pre-test and post-test similar to ACT group. (If medication or specific substances were used, details were mentioned, but this study is purely psychotherapy.) Rumination. Timepoint: Before the start of the intervention and after the completion of the treatment sessions (two months after the start of the intervention). Method of measurement: Rumination response questionnaire. Internalized Shame. Timepoint: Before the start of the intervention and after the completion of the treatment sessions (two months after the start of the intervention). Method of measurement: Internalized Shame Questionnaire. Distress tolerance. Timepoint: Before the intervention (pre-test), after the intervention (post-test), and follow-up ( 2 months after the intervention). Method of measurement: Distress Tolerance Scale. Islamic Azad University Approved 2024-12-25 Ethics Committee of Islamic Azad University, Ahvaz Branch Islamic Azad University Ahvaz Branch، Farhangshahr، Golestan Highway Ahvaz Khouzestan Iran (Islamic Republic of)