Influence of auditory signals on pedestrians' perception of traffic signals

doi:10.16265/j.cnki.issn 1003-3033.2021.06.019

Abstract

Abstract: In order to investigate influence of auditory signals on pedestrians' perception of audible traffic signals in different task stages (detection task, discrimination task), based on these two tasks (experiment 1 and 2), 2 (types of traffic lights: traditional traffic light and audible traffic light) × 2 (colors of traffic lights: red and green light) factorial design was adopted to explore whether audible signals can generate MSI. The results show that they do produce MSI with processing advantages in both detection and discrimination tasks. And red light produces psychological effect of red, due to which, pedestrians respond more quickly and accurately to it than green light. It is also found that in stage of discrimination, auditory signals can affect individual's reaction bias, and pedestrians are more inclined to report red audible signal light.

Key words: auditory signals, pedestrians'perception, multisensory integration(MSI), audible traffic light, signal detection theory, psychological effect of red

CLC Number:

X911

PENG Xing, TANG Xiaoyu, CHANG Ruosong, JIANG Hao, SHI Rong. Influence of auditory signals on pedestrians' perception of traffic signals[J]. China Safety Science Journal, 2021, 31(6): 144-152.

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