"Confirmation bias is a belief in which someone only accepts facts that corroborate his or her preexisting subjective opinions about something. Any fact or opinion that contradicts this belief is ignored, dismissed as false, or twisted to fit a pre-ascribed agenda."
Source: http://www.wnyc.org/story/breaking-news-consumer-handbook-fake-news-edition/
More tips on determining if a story is fake:
For more information also see our How to Evaluate Web Resources guide.
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