IRCT20260919071104N1 IRCT 2026-09-20 Islamic Azad University The Effectiveness of Dialectical Behavior Therapy (DBT) on Frustration Tolerance and Psychological Relaxation in Women Affected by Marital Infidelity in Bandar Ganaveh The Effectiveness of Dialectical Behavior Therapy (DBT) on Frustration Tolerance and Psychological Relaxation in Women Affected by Marital Infidelity in Bandar Ganaveh 2026-09-20 anticipated 30 Complete https://irct.ir/trial/93421 interventional Randomization: N/A, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Other design features: Quasi-experimental study with pretest-posttest design and control group. Participants are assigned to an experimental group (receiving Dialectical Behavior Therapy in 8 sessions) and a control group. N/A Problems in relationship with spouse or partner. Intervention 1: Intervention group: Dialectical Behavior Therapy (DBT) in 8 weekly 60-minute sessions based on Linehan’s protocol. Intervention 2: Control group: no intervention. Yes - There is a plan to make this available What will be shared: Standardized questionnaires (Frustration Tolerance and Psychological Relaxation scales) and data collected from 8 sessions of Dialectical Behavior Therapy (DBT) intervention. When: Data will be available after the successful defense of the thesis and publication of related articles, ensuring full adherence to ethical principles and anonymity of participants. To whom: The primary researcher, the supervisor, and official thesis examiners. (Upon request by other researchers, access may be granted following ethical committee approval and in a completely anonymized format). Conditions: Solely for scientific research purposes, methodological review, and advancing knowledge in clinical psychology and evidence-based therapies, ensuring that the identity of participants is never disclosed. Where to obtain: Applicants must submit a formal written request including the research purpose, approved proposal, and ethical committee approval to the primary researcher (Zahra Liravi) or the supervisor (Dr. Nasser Amini). Requests will be reviewed via official email and processed upon approval. How to obtain: Upon receiving the written request, the researcher's purpose will be reviewed. Following an assessment of compliance with ethical protocols, if approved, the data will be de-identified (anonymized) to ensure confidentiality and then sent to the applicant in electronic format. Comments: : All provided data will be completely de-identified, containing no names, contact information, or any personal identifiers, to guarantee strict adherence to ethical standards and participant privacy.