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Aggression

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Humans engage in aggression when they seek to cause harm or pain to another person. Aggression takes two forms depending on one’s motives: hostile or instrumental. Hostile aggression is motivated by feelings of anger with intent to cause pain; a fight in a bar with a stranger is an example of hostile aggression. In contrast, instrumental aggression is motivated by achieving a goal and does not necessarily involve intent to cause pain (Berkowitz, 1993); a contract killer who murders for hire...

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Related Experiment Video

Updated: May 27, 2026

Flypub To Study Ethanol Induced Behavioral Disinhibition and Sensitization

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'Hotspots' for aggression in licensed drinking venues.

Kathryn Graham¹, Sharon Bernards, D Wayne Osgood

¹Centre for Addiction and Mental Health, London, Canada. kgraham@uwo.ca

Drug and Alcohol Review

|November 5, 2011

Summary

This summary is machine-generated.

Aggression in bars frequently occurs on the dance floor or near serving bars. Different locations are linked to specific bar characteristics and patron behaviors, informing targeted prevention strategies.

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Area of Science:

Social Sciences
Criminology
Public Health

Background:

Barroom aggression is a significant public health concern.
Understanding the spatial context of aggression is crucial for effective prevention.

Purpose of the Study:

Identify common aggression 'hotspots' within bars.
Examine the relationship between these hotspots, aggression severity, and environmental factors.

Main Methods:

Analyzed 1057 aggression incidents using narrative descriptions and floor plans.
Employed Hierarchical Linear Modelling to identify bar-level and night-level predictors of hotspots.

Main Results:

Dance floors and serving bars were the most frequent aggression locations.
Dance floor aggression correlated with crowded conditions, specific demographics, and high staff presence.
Incidents at tables/pool tables occurred in bars with contrasting characteristics; outdoor incidents were more severe.

Conclusions:

Aggression hotspots have distinct environmental associations.
Findings offer insights for tailored staff training, bar design, and policy interventions.