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The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
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Methodological Challenges in Group-based Randomised Controlled Trials for Intimate Partner Violence Perpetrators: A
William Turner1, Karen Morgan2, Marianne Hester1
1University of Bristol School for Policy Studies UK School for Policy Studies, University of Bristol, UK.
Psychosocial Intervention
|June 29, 2023
Summary
Evidence for group-based Intimate Partner Violence (IPV) perpetrator programs is inconclusive. Methodological challenges in trials highlight the need for innovative, combined treatments addressing co-occurring issues like substance use and trauma.
Area of Science:
- Social Sciences
- Psychology
- Public Health
Background:
- Group-based interventions for Intimate Partner Violence (IPV) perpetrators have shown mixed results.
- Existing evidence on treatment effectiveness remains inconclusive, necessitating a closer examination of research methodologies.
Purpose of the Study:
- To systematically review randomized controlled trials (RCTs) of group-based IPV perpetrator programs.
- To identify and summarize methodological challenges in the design and conduct of these trials.
Main Methods:
- Systematic and meta-analytic reviews were used to identify relevant RCTs.
- A meta-summary approach was employed to synthesize methodological challenges reported by trialists.
Main Results:
- Fifteen studies were identified, including seven comparative effectiveness trials.
- Frequently reported methodological challenges included: source of outcome data, treatment modality, attrition rates, and sample characteristics.
- Few RCTs exist compared to non-randomized studies.
Conclusions:
- The effectiveness of current group-based IPV perpetrator programs requires further investigation.
- There is a critical need for investment in developing innovative and integrated IPV treatment programs.
- Addressing co-occurring issues such as substance use and trauma is essential for effective IPV intervention.
- This review provides a foundation for developing methodological guidance for future research in IPV perpetrator interventions.
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