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Updated: Jun 14, 2025

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
Published on: July 4, 2013
Both partners' negative emotion drives aggression during couples' conflict.
Annah G McCurry1, Robert C May2, David I Donaldson2
1The University of St Andrews, St Mary's Quad, St Andrews, Scotland, UK. am650@st-andrews.ac.uk.
Negative emotions fuel intimate partner aggression, but breaks can help. This study shows that managing emotional arousal and impulsive actions through breaks reduces conflict escalation in couples.
Area of Science:
- Psychology
- Social Psychology
- Conflict Resolution
Background:
- Intimate partner aggression is influenced by emotional experiences and expressions.
- Theoretical models suggest partner emotion perception can create a Violence Escalation Cycle.
Purpose of the Study:
- To investigate the role of intra- and interpersonal negative emotions in reactive aggression within couples.
- To examine the impact of facial affect displays on aggression.
- To test the efficacy of temporal delays (breaks) in reducing aggression.
Main Methods:
- A lab-based aggression task was employed in a primary study (n=104) and a replication (n=58).
- Analyses included intra- and interpersonal negative emotion, facial affect displays, and aggression.
- Experimental manipulations involved forced breaks and elective breaks.
Main Results:
- Both individual and partner-perceived negative emotions predicted reactive aggression, showing retaliation but not escalation.
- Prototypic negative emotion displays had a compounding effect on aggression.
- Forced and elective breaks significantly reduced aggression by lowering emotional arousal and impulsive actions.
Conclusions:
- Negative emotions play a significant role in couple's aggression, but escalation is not inevitable.
- Temporal delays, or breaks, are effective interventions for reducing aggression by mitigating impulsive responses.
- Findings support interventions aimed at preventing impulsive actions during provoked states to decrease couple aggression.
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