Brown v. EMA casts doubt on the “weapons effect” justification for gun control [View All]

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Today’s Supreme Court decision in Brown v. EMA casts doubt on one of the shibboleths of gun prohibition.

Since the 1960s, some social scientists have been attempting to prove that guns cause violence. They do not make this claim in the straightforward sense that guns, as tools, can be used for malign purposes–for example, that a criminal with a gun might attempt a robbery which would he would consider too risky if he did not have a gun. Rather, the claim is that the presence of makes ordinary people more aggressive, anti-social and violent. Thus, as one study put it, “the trigger pulls the finger.” The hypothesis is known as “the weapons effect.”

Over the subsequent decades, researchers tried, with little success, to replicate experiments proving a weapons effect. To the limited extent that any effects could be found, they tended to be confined to subjects with no prior experience with firearms, and they never succeeded in finding any actual resulting violence. Instead, they found, at most, trivial results, such as how some subjects reacted to various words after being prompted with gun imagery.

The studies on video games have led, at worst, to some minors being unconstitutionally deprived of video games. In contrast, the “weapons effect” has become an article of faith among many anti-gun advocates, who are convinced that guns turn peaceable people into dangerous aggressors. Many anti-gun laws have been enacted in part because of this wrongful idea, and some of those laws have deprived the victims of violent crimes from having the means of effective self-defense. Indeed, continuing belief in the non-existent weapons effect is a major reason why nine states still deny law-abiding trained adults the constitutional right to carry licensed firearms for lawful protection in public places.

http://volokh.com/2011/06/27/47830/