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A study by Brendan Nyhan, an assistant professor of government, and two colleagues suggests that people who have a lot of knowledge about a subject are not apt to change their minds when a new and conflicting piece of information comes their way, Bloomberg reports.

For instance, writes Bloomberg, the study indicates “that if you know a lot about politics, you are more likely to be emotionally invested in what you believe. Efforts to undermine or dislodge those beliefs might well upset you and therefore backfire.”

Read the full story, published 4/15/13 by Bloomberg.