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cognitive biases

/ˈkɒɡ.nɪ.tɪv ˈbaɪ.ə.sɪz/ · cog·ni·tive bi·as·es
noun
  1. Systematic patterns of deviation from norm or rationality in judgment, whereby inferences about people and situations are drawn in an illogical or biased manner. Researchers study cognitive biases such as confirmation bias to understand why people cling to false beliefs.
Did you know? The phrase "cognitive bias" was popularized by psychologists Daniel Kahneman and Amos Tversky in the 1970s, whose work earned Kahneman a Nobel Prize in Economics.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 23, 2026