The weapons effect.

@article{Bushman2013TheWE,
  title={The weapons effect.},
  author={BJ Bushman},
  journal={JAMA pediatrics},
  year={2013},
  volume={167 12},
  pages={
          1094-5
        }
}
  • BJ Bushman
  • Published 1 December 2013
  • Political Science
  • JAMA pediatrics
On December 14, 2012, after shooting his mother, 20-year-old Adam Lanza shot and killed 20 children and 6 employees at Sandy Hook Elementary School in Newtown, Connecticut. In the wake of the Newtown shootings, there has been considerable discussion about gun violence. What is conspicuously absent from these discussions, however, is the fact that just seeing guns can increase aggression.... Language: en 
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References

SHOWING 1-9 OF 9 REFERENCES
Gun Violence Trends in Movies
TLDR
Even if youth do not use guns, the findings suggest that they are exposed to increasing gun violence in top-selling films, and the presence of weapons in films might amplify the effects of violent films on aggression.
WEAPONS AS AGGRESSION-ELICITING STIMULI.
An experiment was conducted to test the hypothesis that stimuli commonly associated with aggression can elicit aggressive responses from people ready to act aggressively. 100 male university students
Naturalistic studies of aggressive behavior: aggressive stimuli, victim visibility, and horn honking.
TLDR
Three studies extended laboratory research on aggression to a naturalistic setting which involved horn honking from drivers as a measure of aggression and the role of inhibitions in modifying the pattern of results was discussed.
Violent video game effects on aggression, empathy, and prosocial behavior in eastern and western countries: a meta-analytic review.
TLDR
The evidence strongly suggests that exposure to violent video games is a causal risk factor for increased aggressive behavior, aggressive cognition, and aggressive affect and for decreased empathy and prosocial behavior.
Effects of situational aggression cues: a quantitative review.
TLDR
Meta-analytic procedures were used to assess the degree to which aggression-related cues present in the environment facilitate aggressive responding among negatively aroused subjects, and found that target-based facilitation and harm capacity of the aggressive response were found to mediate the magnitude of cue-facilitated aggression.
Automatic Effects of Alcohol and Aggressive Cues on Aggressive Thoughts and Behaviors
TLDR
It is proposed that the link between alcohol and aggression is so strong that mere exposure to alcohol-related cues will automatically activate aggressive thoughts and behaviors, and two experiments tested this automaticity theory of alcohol- related aggression.
Firearm storage patterns in US homes with children.
TLDR
Many children live in homes with firearms that are stored in an accessible manner, and efforts to prevent children's access to firearms are needed.