An anonymous reader writes "Computer scientists at the University of Colorado and the Stevens Institute of Technology have shown that gamers that play with friends play better. The study used the blockbuster FPS Halo: Reach as a testbed, and combined ground truth data on friendships from an anonymous survey with data about the multiplayer competitions extracted using the Reach Stats API. They found that the more friends you have on your team, the more assists, the fewer betrayals, the more you score, and the greater the probability your team wins, and that this 'friends for the win' effect goes above and beyond the benefits of playing with skilled strangers. (They also show that older gamers are statistically better than younger players, contrary to popular opinion.) Study lead Prof. Aaron Clauset, writing on his blog, says that friends 'may be able to effectively anticipate or adapt to each others' actions or strategies without an explicit need for verbal (and thus time consuming) communication or coordination,' and 'these effects may be fairly universal, and not merely limited to the traditional domains like sports and war, where practicing together has a long tradition.'"
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