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MENTAL MODEL · M8364

Availability Heuristic

Availability Heuristic
CollaborateHigh supportCommunication Studies
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Easily recalled events (such as headline news) are overestimated in probability, leading to distorted judgment.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

The availability heuristic, also known as availability bias, is a mental shortcut that relies on immediate examples that come to a given person's mind when evaluating a specific topic, concept, method, or decision. This heuristic, operating on the notion that, if something can be quickly recalled, i…

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Anchor fast decisions

Same as availability heuristic—vivid or recent events that are easily recalled are overestimated in probability, and media bias towards abnormal events amplifies availability, distorting risk perception. The essence is substituting ease of retrieval for the true base rate.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Availability_heuristicZH · Explicit
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