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Updated: Jun 4, 2026

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
Published on: July 4, 2013
[Violence in psychiatric inpatients]
Ester Di Giacomo1, Massimo Clerici
1Dipartimento di Neuroscienze e Tecnologie Biomediche, Università di Milano Bicocca.
Identifying risk factors for violence in psychiatric inpatients is crucial for prevention. Key predictors include a history of aggression, substance abuse, and specific psychiatric conditions, informing better clinical management.
Area of Science:
- Psychiatry
- Criminology
- Behavioral Science
Context:
- Violence among psychiatric inpatients poses significant risks to patient and staff safety.
- Understanding the predictors of inpatient violence is essential for effective risk management strategies.
Purpose:
- To evaluate existing knowledge on the risk factors associated with violence perpetrated by psychiatric inpatients.
- To identify key indicators for predicting violent behavior in a clinical setting.
Summary:
- A review of recent literature identified several risk factors for inpatient violence, including a history of prior violent acts, male gender, younger age, and substance abuse.
- Impulsivity, hostility, lack of insight, and anger management issues were also significant predictors. Schizophrenia spectrum disorders, personality disorders, and manic episodes were frequently associated with violent incidents, often classified as impulsive.
Impact:
- Findings underscore the importance of early identification of risk factors and continuous monitoring of patient behavior for violence reduction and prevention in psychiatric settings.
- Implementing evidence-based risk assessment and management protocols can enhance safety and improve patient outcomes.
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