The State’s evidence is not compelling. California relies primarily on the research of Dr. Craig Anderson and a few other research psychologists whose studies purport toshow a connection between exposure to violent video games and harmful effects on children. These studies have been rejected by every court to consider them,6 and with good reason: They do not prove that violent video
6See Video Software Dealers Assn. v. Schwarzenegger, 556 F. 3d 950, 963–964 (CA9 2009); Interactive Digital Software Assn. v. St. Louis County, 329 F. 3d 954 (CA8 2003); American Amusement Machine Assn.
v. Kendrick, 244 F. 3d 572, 578–579 (CA7 2001); Entertainment Soft-ware Assn. v. Foti, 451 F. Supp. 2d 823, 832–833 (MD La. 2006); Enter-tainment Software Assn. v. Hatch, 443 F. Supp. 2d 1065, 1070 (Minn. 2006), aff ’d, 519 F. 3d 768 (CA8 2008); Entertainment Software Assn. v. Granholm, 426 F. Supp. 2d 646, 653 (ED Mich. 2006); Entertainment Software Assn. v. Blagojevich, 404 F. Supp. 2d 1051, 1063 (ND Ill. 2005), aff ’d, 469 F. 3d 641 (CA7 2006).
games cause minors to act aggressively (which would at least be a beginning). Instead, “[n]early all of the researchis based on correlation, not evidence of causation, and most of the studies suffer from significant, admitted flaws in methodology.” Video Software Dealers Assn. 556 F. 3d, at 964. They show at best some correlation between expo-sure to violent entertainment and minuscule real-world effects, such as children’s feeling more aggressive or mak-ing louder noises in the few minutes after playing a vio-lent game than after playing a nonviolent game.7
—————— 7One study, for example, found that children who had just finishedplaying violent video games were more likely to fill in the blank letter in “explo_e” with a “d” (so that it reads “explode”) than with an “r” (“explore”). App. 496, 506 (internal quotation marks omitted). The prevention of this phenomenon, which might have been anticipated with common sense, is not a compelling state interest. 8JUSTICE ALITO is mistaken in thinking that we fail to
thatviolent video games produce some effect on children’s feelings of aggression, those effects are both small and indistinguishable from effects produced by other media.In his testimony in a similar lawsuit, Dr. Anderson admit-ted that the “effect sizes” of children’s exposure to violent video games are “about the same” as that produced bytheir exposure to violence on television. App. 1263. And he admits that the same effects have been found when children watch cartoons starring Bugs Bunny or the Road Runner, id., at 1304, or when they play video games like Sonic the Hedgehog that are rated “E” (appropriate for all ages), id., at 1270, or even when they “vie[w] a picture of a gun,” id., at 1315–1316.8
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.”
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