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Cognitive Aging and Tests of Rationality

Published online by Cambridge University Press:  23 December 2019

Sanghyuk Park
Affiliation:
University of Missouri Columbia (USA)
Clintin P. Davis-Stober*
Affiliation:
University of Missouri Columbia (USA)
Hope K. Snyder
Affiliation:
University of Missouri Columbia (USA)
William Messner
Affiliation:
The Lubrizol Corporation (USA)
Michel Regenwetter*
Affiliation:
University of Illinois at Urbana-Champaign (USA)
*
*Correspondence concerning this article should be addressed to Clintin Davis-Stober. University of Missouri Columbia. Department of Psychological Sciences. 65211 Columbia Missouri (USA). E-mail: (stoberc@missouri.edu).

Abstract

We investigated whether older adults are more likely than younger adults to violate a foundational property of rational decision making, the axiom of transitive preference. Our experiment consisted of two groups, older (ages 60-75; 21 participants) and younger (ages 18-30; 20 participants) adults. We used Bayesian model selection to investigate whether individuals were better described via (transitive) weak order-based decision strategies or (possibly intransitive) lexicographic semiorder decision strategies. We found weak evidence for the hypothesis that older adults violate transitivity at a higher rate than younger adults. At the same time, a hierarchical Bayesian analysis suggests that, in this study, the distribution of decision strategies across individuals is similar for both older and younger adults.

Information

Type
Research Article
Copyright
Copyright © Universidad Complutense de Madrid and Colegio Oficial de Psicólogos de Madrid 2019 

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