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Journal Article

Citation

Katsikopoulos KV, Duse-Anthony Y, Fisher DL, Duffy SA. Hum. Factors 2000; 42(3): 470-481.

Affiliation

Department of Mechanical and Industrial Engineering, University of Massachusetts, Amherst 01003, USA. ktsikop@ecs.umass.edu

Copyright

(Copyright © 2000, Human Factors and Ergonomics Society, Publisher SAGE Publishing)

DOI

unavailable

PMID

11132808

Abstract

In two experiments, participants chose between staying on a main route with a certain travel time and diverting to an alternative route that could take a range of travel times. In the first experiment, travel time information was displayed on a sheet of paper to participants seated at a desk. In the second experiment, the same information was displayed in a virtual environment through which participants drove. Overall, participants were risk-averse when the average travel time along the alternative route was shorter than the certain travel time of the main route but risk-seeking when the average travel time of the alternative route was longer than the certain travel time along the main route. In the second experiment, in which cognitive load was higher, participants simplified their decision-making strategies. A simple probabilistic model describes the risk-taking behavior and the load effects. Actual or potential applications of this research include the development of efficient travel time information systems for drivers.

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