Meanings
plural cognitive biases
- 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
cognitive bias. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cognitive%20bias
“cognitive bias.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cognitive%20bias. Accessed November 4, 2026.
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.