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Related Experiment Video

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

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Published on: July 4, 2013

Shared and distinct features between interpersonal and self-directed violent behaviors: a simulated intervention

Wenjie Luo¹, Yahong Shi¹, Tianxiao Li¹

¹West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China.

BMC Public Health

|May 29, 2026

Summary

Interpersonal and self-directed violence are linked to stress and mental health issues. Child maltreatment is a key factor, with psychosis acting as a crucial bridge in violence networks.

Keywords:

Aggression Externalizing Internalizing Network analysis Non-suicidal self-injury Simulated interventions Suicidal behavior Violence

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Area of Science:

Social Psychology
Public Health
Network Analysis

Background:

Interpersonal and self-directed violence share risk factors but are often studied in isolation.
Limited research exists on the interplay between shared and distinct features of these violence types.

Purpose of the Study:

To investigate the network interactions between interpersonal and self-directed violence.
To identify shared and distinct risk factors and their influence within a violence network.

Main Methods:

Community-based random sampling of 2,223 men (aged 18-34) in Chengdu, China.
Network analysis using the Ising model to map violence-related factors.
Simulated interventions to identify key intervention targets.

Main Results:

A socio-psychological network revealed distinct communities for externalizing (interpersonal violence, stress, impulsivity, child maltreatment) and internalizing (self-directed violence, mental disorders) factors.
Psychosis showed high bridge centrality, linking different network components.
Child maltreatment had the highest network influence, and child maltreatment/anxiety were key leverage points for interpersonal/self-directed violence, respectively.

Conclusions:

Interpersonal and self-directed violence cluster with stress factors and mental disorders.
Psychosis acts as a vital bridge in the violence network.
Child maltreatment is a critical covariant influencing both violence types.