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| Research article summary (published 30 Aug 2009): |
Ignorance- versus evidence-based decision making: a decision time analysis of the recognition heuristic.
Full Abstract
According to part of the adaptive toolbox notion of decision making known as the recognition heuristic (RH), the decision process in comparative judgments-and its duration-is determined by whether recognition discriminates between objects. By contrast, some recently proposed alternative models predict that choices largely depend on the amount of evidence speaking for each of the objects and that decision times thus depend on the evidential difference between objects, or the degree of conflict between options. This article presents 3 experiments that tested predictions derived from the RH against those from alternative models. All experiments used naturally recognized objects without teaching participants any information and thus provided optimal conditions for application of the RH. However, results supported the alternative, evidence-based models and often conflicted with the RH. Recognition was not the key determinant of decision times, whereas differences between objects with respect to (both positive and negative) evidence predicted effects well. In sum, alternative models that allow for the integration of different pieces of information may well provide a better account of comparative judgments. (c) 2009 APA, all rights reserved.
Author information
Author/s: Hilbig, Benjamin E (BE); Pohl, Rüdiger F (RF);
Affiliation: Psychology III, Schloss Ehrenhof Ost, University of Mannheim, D-68131 Mannheim, Germany. hilbig(-atsign-)psychologie.uni-mannheim.de
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Journal of experimental psychology. Learning, memory, and cognition (J Exp Psychol Learn Mem Cogn), published in United States. (Language: eng)
Reference: 2009-Sep; vol 35 (issue 5) : pp 1296-305
Dates: Created 2009/08/18; Completed 2009/10/08;
PMID: 19686022, status: MEDLINE (last retrieval date: 10/8/2009, IMS Date: )
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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