The power of perceptions

Tuesday, February 28, 2017 - 19:32 in Psychology & Sociology

For all the fact-checking and objective reporting produced by major media outlets, U.S. voters are more likely to believe information when it comes from a candidate those voters support — and vice versa, according to a new study co-authored by MIT scholars. The study, conducted during the U.S. presidential primaries for the 2016 election, uses a series of statements by President Donald J. Trump — then one of many candidates in the Republican field — to see how partisanship and prior beliefs interact with evaluations of objective fact. The researchers presented study participants with both true and false statements Trump made, surveying voters from both parties about their responses. They found participants’ opinions of Trump influenced how plausible people assumed the information to be. For instance, when Trump falsely suggested vaccines cause autism, a claim rejected by scientists, Republicans who supported Trump were more likely to believe the claim when it was...

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