IATSS Review
Online ISSN : 2433-4537
Print ISSN : 0386-1104
Experimental Study for Reduction of the Time-Saving Bias
Shingo MORIIZUMIShinnosuke USUI
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2021 Volume 45 Issue 3 Pages 198-205


The present study examined the effect of providing education aimed at reduction of the time-saving bias (referring to the driver’s cognitive bias of overestimating time saved by accelerating in a high-speed area), which affects the driver’s speed selection. Specifically, before measurement of the time-saving bias, twenty-seven university students with driver’s licenses were trained to calculate the time saved by accelerating when the speed was displayed as either “s/km” or “km/h.” The results of the present study indicated that the time-saving bias occurred in the former case, but not in the latter case. The findings also suggested that the extent of the time-saving bias was not related to the driving behaviors in the driving simulator.

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© 2021 International Association of Traffic and Safety Sciences
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