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When there's a contradiction in our heads
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we're not happy and will take steps to make the contradiction go away.
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This all sounds very general but there are some striking demonstrations
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of this and how it could work in everyday life.
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So, this very simple example is that--is the confirmation bias.
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Some of you are politically right wing. Some of you are politically left wing.
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If I asked you what magazines you read,
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it turns out people who are right wing read right wing magazines,
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people who are left wing read left wing magazines,
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because people don't as a rule enjoy getting information
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that disconfirms what they believe in.
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They want to have information that confirms