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Title: Asymmetric dominance and phantom decoy effects in games
Authors: Colman, Andrew M.
Pulford, Briony D.
Bolger, Fergus
First Published: Nov-2007
Publisher: Elsevier
Citation: Organizational Behavior and Human Decision Processes, 2007, 104 (2), pp.193-206.
Abstract: In individual choices between alternatives x and y, the availability of a third alternative z, judged inferior to x but not to y, tends to increase preferences for x. Two experiments investigated corresponding strategic asymmetric dominance effects in games. In Experiment 1, 72 players chose strategies in six symmetric 3 × 3 games, each having one strategy dominating just one other, or in reduced 2 × 2 games constructed by deleting the dominated strategies. Asymmetrically dominated strategies, even when unavailable (phantom decoy), increased choices of the strategies that dominated them and bolstered decision confidence. In Experiment 2, 81 participants played 12 similar but asymmetric games with or without dominated strategies, and similar asymmetric dominance, phantom decoy, and confidence effects were found.
DOI Link: 10.1016/j.obhdp.2007.03.001
ISSN: 0749-5978
Version: Post print
Status: Peer reviewed
Type: Article
Rights: Copyright © 2007 Elsevier Inc. Deposited with reference to the publisher's archiving policy available on the SHERPA/RoMEO website. NOTICE: this is the author’s version of a work that was accepted for publication in Organizational Behavior and Human Decision Processes. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Organizational Behavior and Human Decision Processes, 2007, 104 (2), pp.193-206, DOI#:10.1016/j.obhdp.2007.03.001
Appears in Collections:Published Articles, School of Psychology

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