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Related Experiment Video

Updated: Mar 13, 2026

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress

Published on: July 4, 2013

Violent behavior among military reservists.

Jamie Kwan¹, Margaret Jones², Lisa Hull²

¹Department of Psychological Medicine, King's College London, Weston Education Centre, London, United Kingdom.

Aggressive Behavior

|October 25, 2016

Summary

This summary is machine-generated.

Deployment in Iraq and Afghanistan increased violent behavior among UK Reservists, regardless of combat role. Post-deployment mental health issues like PTSD and alcohol misuse were also significant risk factors for violence.

Keywords:

deployment military reservists violence

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Area of Science:

Military Psychology
Behavioral Science
Public Health

Background:

Reservists are increasingly deployed to combat zones like Iraq and Afghanistan.
Limited research exists on the effects of deployment and combat exposure on violent behavior in Reservists.

Purpose of the Study:

To determine the prevalence of self-reported violent behavior in UK Reservists.
To identify risk factors for violence, including deployment and combat exposure.
To assess the impact of deployment and combat exposure on violent behavior.

Main Methods:

Utilized data from a large cohort study of randomly selected UK military personnel (n=1710 Reservists).
Collected data via questionnaires on demographics, military characteristics, pre-enlistment behavior, deployment experiences, and post-deployment mental health.
Assessed self-reported interpersonal violent behavior.

Main Results:

The prevalence of self-reported violence among Reservists was 3.5%.
Deployment, irrespective of role (combat or non-combat), was a significant risk factor for violent behavior.
Violence was strongly associated with post-deployment mental health issues, including PTSD, common mental disorders, and alcohol misuse.

Conclusions:

UK Reservists deployed to Iraq or Afghanistan exhibited higher rates of self-reported post-deployment violence.
Deployment experience is linked to increased violent behavior in Reservists, independent of their role.
Post-deployment mental health problems significantly increase the risk of violent behavior.