Monthly Archives: September 2016

The Weapons Effect – Does the Mere Presence of a Gun Increase Aggression?

Anime girl with a gun The “weapons effect” is the theory that just in the mere presence of weapons, aggression levels increase. It’s a controversial theory, but there is of course a lot of research on it. In this article, I look at the studies that shed light on this area, and give my take on the research.

The Mere Presence of a Gun

Hormones and Aggressiveness

Let’s start in 1998, when researchers Jennifer Klinesmith, Tim Kasser, and Francis McAndrew measured the effects of interacting with an object on testosterone levels and aggressive behavior. Testosterone is of course linked to aggression, and this study found what it expected to find:

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