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Melioration dominates maximization : stable suboptimal performance despite global feedback

Melioration dominates maximization : stable suboptimal performance despite global feedback

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NETH, Hansjörg, Chris R. SIMS, Wayne D. GRAY, 2006. Melioration dominates maximization : stable suboptimal performance despite global feedback. CogSci / ICCS. Vancouver, British Columbia, Canada, 26. Jul 2006 - 29. Jul 2006. In: SUN, Ron, ed. and others. 28th annual conference of the Cognitive Science Society in cooperation with the 5th international conference of the Cognitive Science Society : CogSci / ICCS 2006 ; July 26 - 29, 2006, Vancouver, British Columbia, Canada. CogSci / ICCS. Vancouver, British Columbia, Canada, 26. Jul 2006 - 29. Jul 2006. 2. Red Hook, NY:Curran, pp. 627-632. ISBN 978-1-60560-500-5

@inproceedings{Neth2006Melio-28391, title={Melioration dominates maximization : stable suboptimal performance despite global feedback}, year={2006}, isbn={978-1-60560-500-5}, address={Red Hook, NY}, publisher={Curran}, booktitle={28th annual conference of the Cognitive Science Society in cooperation with the 5th international conference of the Cognitive Science Society : CogSci / ICCS 2006 ; July 26 - 29, 2006, Vancouver, British Columbia, Canada}, pages={627--632}, editor={Sun, Ron}, author={Neth, Hansjörg and Sims, Chris R. and Gray, Wayne D.} }

eng 2014-07-25T07:05:48Z Neth, Hansjörg Sims, Chris R. 2006 Sims, Chris R. 2014-07-25T07:05:48Z 28th annual conference of the Cognitive Science Society in cooperation with the 5th international conference of the Cognitive Science Society : CogSci/ICCS 2006; July 26 - 29, 2006, Vancouver, British Columbia, Canada ; Vol. 2 / Ron Sun ... - Red Hook, NY : Curran, 2006. - S. 627-632. - ISBN 978-1-60560-500-5 Situations that present individuals with a conflict between local and global gains often evoke a behavioral pattern known as melioration — a preference for immediate rewards over higher long-term gains. Using a variant of a binary forced- choice paradigm by Tunney & Shanks (2002), we explored the potential role of global feedback as a means to reduce this bias. We hypothesized that frequent explicit feedback about future expected and optimal gains might enable decision makers to overcome the documented tendency to meliorate when choices are rewarded probabilistically. Our results suggest that the human tendency to meliorate is tenacious and even prospective normative feedback is insufficient to reliably overcome inefficient choice allocation. We identify human memory limitations as a potential source of this problem and sketch a reinforcement learning model that mimics the effects of a variable feedback horizon on performance. We conclude that melioration is a powerful explanatory mechanism that can account for a wide range of human behavior. Neth, Hansjörg Gray, Wayne D. Gray, Wayne D. Melioration dominates maximization : stable suboptimal performance despite global feedback deposit-license

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