Non-Political Tweets May Reveal Political Bias_SSS-20150917-Conversation 1__托福听力考满分

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This is Scientific American 60-Second Science. I'm Christopher Intagliata. Got a minute?It can be rude to talk politics over dinner¡ explicitly at least.But subtle linguistic cues might reveal more than you think about your political views, whether at the dinner table or on Twitter."There's a lot of information in the details of our language." Matthew Purver, a computational linguist at Queen Mary University of London."The little words we use, the way we join together our sentences, and the kind of interactional patterns, where we react to other people."Purver's research team used Twitter as their communications forum, randomly selecting 28,000 users, half of whom clearly followed one political party's Twitter feeds, for example, @GOP, but not the other, for a more or less even split among Republicans and Democrats.Then they analyzed the words in those users' timelines during a two-week period in June 2014.As you might expect, the tweets of users who followed Republican accounts were a lot more likely to contain words like "obamacare" and "benghazi," whereas "bridgegate" came up more among Democratic followers.But the researchers also found that the left-leaners were much more likely to use words like sh#& and fu@$ than were the righties.And whereas Republican followers preferred plural pronouns like "we" or "us," Democratic followers used more singular pronouns, like "I" or "me."That pronoun use could reflect previous work on how people on the right and left forge their political views."People on the right end of the political spectrum are more likely to be concerned with group conformity.Whereas people who tend to be on the left are perhaps more likely to see their morals or their values deriving from individualistic ideas, if you like." The study is in the journal PLOS ONE.Of course, just following a political account is not proof of political belief.But these findings suggest that algorithms may increasingly be able to read between the lines, detecting nuances in human communication that even we humans can't perceive.Thanks for the minute, for Scientific American 60-Second Science. I'm Christopher Intagliata.

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