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How good are fast and frugal inference heuristics in case of limited knowledge?

Published online by Cambridge University Press:  09 April 2001

Edgar Erdfelder  and
Martin Brandt
Edgar Erdfelder
Affiliation:
Department of Psychology, University of Bonn, D-53117 Bonn, Germany{erdfelder; brandt}@uni-bonn.de www.psychologie.uni-bonn.de/~erdfel_e
Martin Brandt
Affiliation:
Department of Psychology, University of Bonn, D-53117 Bonn, Germany{erdfelder; brandt}@uni-bonn.de www.psychologie.uni-bonn.de/~erdfel_e
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Abstract

Gigerenzer and his collaborators have shown that the Take the Best heuristic (TTB) approximates optimal decision behavior for many inference problems. We studied the effect of incomplete cue knowledge on the quality of this approximation. Bayesian algorithms clearly outperformed TTB in case of partial cue knowledge, especially when the validity of the recognition cue is assumed to be low.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 23 , Issue 5 , October 2000 , pp. 747 - 748
Copyright
© 2000 Cambridge University Press

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