cognitive bias

noun

A systematic deviation from norms of rationality and objectivity in judgment or perception.

“Cognitive biases can be adaptive when they speed decision-making.”

Meanings

nouncognitive bias (usually uncountable, plural cognitive biases)

plural cognitive biases

  1. uncountableusuallyhuman sciencesA systematic deviation from norms of rationality and objectivity in judgment or perception.

    Cognitive biases can be adaptive when they speed decision-making.

    1 more example

    When the government realised that a new virus was circulating, Chinese officials didn’t advise hand washing, a better cough etiquette and disposing of tissues. They quarantined entire cities and shut down the economy. As one former secretary of state for health in England put it to me, our scientists suffered from a “cognitive bias” towards the milder threat of influenza.

    2020 April 9, Richard Horton, “Coronavirus is the greatest global science policy failure in a generation”, in The Guardian
Cite this entry
APA

cognitive bias. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cognitive%20bias

MLA

“cognitive bias.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cognitive%20bias. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “cognitive bias,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cognitive%20bias.

Source: cognitive bias on Wiktionary, CC BY-SA 4.0.