You Know Less Than You Think About Guns

The misleading uses, flagrant abuses, and shoddy statistics of social science about gun violence

Woman with gunPaul Chesley/Getty Images“There is a gun for roughly every man, woman, and child in America,” President Barack Obama proclaimed after the October mass shooting that killed 10 at Umpqua Community College in Oregon. “So how can you, with a straight face, make the argument that more guns will make us safer? We know that states with the most gun laws tend to have the fewest gun deaths. So the notion that gun laws don’t work—or just will make it harder for law-abiding citizens and criminals will still get their guns—is not borne out by the evidence.”

In this single brief statement, Obama tidily listed the major questions bedeviling social science research about guns—while also embodying the biggest problem with the way we process and apply that research. The president’s ironclad confidence in the conclusiveness of the science, and therefore the desirability of “common-sense gun safety laws,” is echoed widely with every new mass shooting, from academia to the popular press to that guy you knew from high school on Facebook.

In April 2015, the Harvard gun-violence researcher David Hemenway took to the pages of the Los Angeles Times to declare in a headline: “There’s scientific consensus on guns—and the NRA won’t like it.” Hemenway insisted that researchers have definitively established “that a gun in the home makes it a more dangerous place to be…that guns are not used in self-defense far more often than they are used in crime…and that the change to more permissive gun carrying laws has not reduced crime rates.” He concludes: “There is consensus that strong gun laws reduce homicide.”

But the science is a lot less certain than that. What we really know about the costs and benefits of private gun ownership and the efficacy of gun laws is far more fragile than what Hemenway and the president would have us believe.

More guns do not necessarily mean more homicides. More gun laws do not necessarily mean less gun crime. Finding good science is hard enough; finding good social science on a topic so fraught with politics is nigh impossible. The facts then become even more muddled as the conclusions of those less-than-ironclad academic studies cycle through the press and social media in a massive game of telephone. Despite the confident assertions of the gun controllers and decades of research, we still know astonishingly little about how guns actually function in society and almost nothing at all about whether gun control policies actually work as promised.

Do More Guns Mean More Homicides?

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from a decidedly male perspective

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