Auditory feedback influences perceived driving speeds

Horswill, Mark S. and Plooy, Annaliese M. (2008) Auditory feedback influences perceived driving speeds. Perception, 37 7: 1037-1043. doi:10.1068/p5736

Author Horswill, Mark S.
Plooy, Annaliese M.
Title Auditory feedback influences perceived driving speeds
Journal name Perception   Check publisher's open access policy
ISSN 0301-0066
Publication date 2008
Year available 2008
Sub-type Article (original research)
DOI 10.1068/p5736
Open Access Status Not Open Access
Volume 37
Issue 7
Start page 1037
End page 1043
Total pages 7
Editor Richard L. Gregory
Place of publication London, United Kingdom
Publisher Sage Publications
Collection year 2009
Language eng
Abstract Reducing the level of internal noise is seen as a goal when designing modern cars. One danger of such a philosophy is that one is systematically attempting to alter one of the cues that can be used by drivers to estimate speed and this could bias speed judgments and driving behaviour. Seven participants were presented with pairs of video-based driving scenes and asked to judge whether the second scene appeared faster or slower than the first (2-alternative forced-choice task using the method of constant stimuli). They either heard in-car noise at the level it occurred in the real world or reduced in volume by 5 dB. The reduction in noise led to participants judging speeds to be significantly slower and this effect was evident for all participants. This finding indicates that, when in-car noise is attenuated, drivers are likely to underestimate their speed, potentially encouraging them to drive faster and placing them at greater risk of crashing.
Q-Index Code C1
Q-Index Status Confirmed Code
Additional Notes published online 20 June 2008

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Created: Tue, 14 Apr 2009, 16:25:55 EST by Lucy O'Brien on behalf of School of Psychology