Related Experiment Video
Updated: Aug 14, 2026

The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
Published on: July 4, 2013
Aggressive and impulsive behavior in military psychiatric inpatients
Objective:
To determine if a history of aggressive/impulsive behavior adversely affected the return to full duty of a military psychiatric inpatient population.
Method:
Charts were reviewed for aggressive/impulsive behavior as indicated by self-report on a standardized admission form and by history in 211 consecutive admissions pooled from two separate 2-month intervals during a 9-month period.
Results:
Seventy-three percent of the population was between the ages of 17 and 24 years. Sixty-eight percent of the population reported a history of at least one school suspension/expulsion, arrest, or military nonjudicial punishment (males, 74%; females, 45%). Seven percent of patients reporting aggressive/impulsive behavior were returned to full duty unconditionally, compared with 28% of patients not reporting said behavior. Eighteen percent of patients met the criteria for adult antisocial behavior. Only one patient with adult antisocial behavior was returned to full duty.
Conclusions:
This study found that a history of aggressive/impulsive behavior was positively correlated with substance abuse and negatively correlated with return to full military duty.
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