Availability heuristic
Availability heuristic
The Availability heuristic (pronounced: uh-vail-uh-bil-i-tee hew-rist-ik) is a mental shortcut that relies on immediate examples that come to mind. The term was first coined by Amos Tversky and Daniel Kahneman in 1973.
Etymology
The term 'heuristic' comes from the Greek word 'heuriskein', which means 'to discover'. 'Availability' is derived from the Latin word 'availabilis', meaning 'at hand' or 'within reach'.
Definition
The Availability heuristic is a cognitive bias that causes people to base their judgment on information that is readily available to them, rather than the complete data set. This heuristic is used when we are trying to estimate the frequency or probability of an event based on how easily examples of it come to mind.
Related Terms
See Also
References
- Tversky, A., & Kahneman, D. (1973). Availability: A heuristic for judging frequency and probability. Cognitive Psychology, 5(2), 207-232.
External links
- Medical encyclopedia article on Availability heuristic
- Wikipedia's article - Availability heuristic
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