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Chapter 5 - Heuristics: The Tools of Intuition

from Part II - Intuition and Its Intelligence

Published online by Cambridge University Press:  28 September 2023

Gerd Gigerenzer
Affiliation:
Max Planck Institute for Human Development
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Summary

To develop a scientific perspective on intuition, we first need to dispense with the old and misleading dualistic opposition of intuition and reason. Rather, intuition and reason go hand in hand: where a doctor feels that something is wrong with a patient, intuition comes first, followed by a deliberate search for what is wrong. Even abstract disciplines like mathematics, need both intuition and reasoning. As George Pólya emphasized, finding a problem or discovering a proof requires intuition and heuristics; checking whether the proof is correct requires logic and analysis. The theoretical framework to understand the nature of intuition is that of ecological rationality, the study of how mental processes are adapted to their environments, based on Herbert Simon’s notion of bounded rationality, i.e., how people make decisions under uncertainty – where the best action cannot be calculated. Good intuitions rely on adaptive heuristics that are not logically, but ecologically, rational. The fluency heuristic, the recognition heuristic, and satisficing exemplify tools of the adaptive toolbox. Under uncertainty, they can lead to better decisions than complex algorithms.

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Publisher: Cambridge University Press
Print publication year: 2023

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