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Maximising utility does not promote survival

Published online by Cambridge University Press:  04 December 2013

Daniel B. Cohen
Affiliation:
School of Humanities and Social Sciences, Charles Sturt University, Wagga Wagga, NSW 2678, Australia. [email protected]
Lauren L. Saling
Affiliation:
School of Psychology, Charles Sturt University, Wagga Wagga, NSW 2678, Australia. [email protected]

Abstract

We argue that maximising utility does not promote survival. Hence, there is no reason to expect people to modulate effort according to a task's opportunity costs. There is also no reason why our evaluation of the marginal opportunity costs of tasks should predictably rise with repetition. Thus, the opportunity cost model cannot explain why tasks typically become harder over time.

Type
Open Peer Commentary
Copyright
Copyright © Cambridge University Press 2013 

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References

Arai, T. (1912) Mental fatigue. Teachers College, Columbia University, New York.Google Scholar
Huxtable, Z. L., White, M. H. & McCartor, M. A. (1946) A re-performance and re-interpretation of the Arai Experiment in mental fatigue with three subjects. Psychological Monographs 59(5):52.Google Scholar