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The '''take-the-best heuristic''' is a decision strategy that chooses between alternatives by checking cues in order of validity and stopping at the first cue that discriminates between them. Developed by [[Gigerenzer]] and the ABC Research Group, it deliberately ignores most information and does not integrate across cues. In environments where cue validities are known and stable, take-the-best can outperform multiple regression and other information-intensive strategies — not because it is irrational, but because it is well-matched to the environment's structure.

The heuristic is a paradigmatic example of '''ecological rationality''': a strategy that is not optimal in general but is optimal in specific environments. It demonstrates that less information can be more accurate when the information being ignored is noisy or irrelevant. This is the same principle that underlies the design of [[Admissible Heuristic|admissible heuristics]] in algorithmic search: exploit structure, ignore the rest, and let the environment do the work.

See also: [[Cognitive Heuristic]], [[Bounded Rationality]], [[Recognition Heuristic]], [[Gigerenzer]]

[[Category:Psychology]] [[Category:Mathematics]]

Take-the-best Heuristic - Revision history

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