The effects of explicit intention communication, conspicuous sensors, and pedestrian attitude in interactions with automated vehicles

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Abstract

In this paper, we investigate the effect of an external human- machine interface (eHMI) and a conspicuous external vehicle appearance due to visible sensors on pedestrian interactions with automated vehicles (AVs). Recent research shows that AVs may need to explicitly communicate with the environ- ment due to the absence of a driver. Furthermore, in interac- tion situations, an AV that looks different and conspicuous owing to an extensive sensor system may potentially lead to hesitation stemming from mistrust in automation. Thus, we evaluated in a virtual reality study how pedestrian attitude, the presence/absence of an eHMI, and a conspicuous sensor system affect their willingness to cross the road. Results rec- ommend the use of an eHMI. A conspicuous appearance of automated-driving capability had no effect for the sample as a whole, although it led to more efficient crossing decisions for those with a more negative attitude towards AVs. Our findings contribute towards the effective design of future AV interfaces.
Original languageEnglish
Title of host publicationProceedings of the CHI 2020 Conference on Human Factors in Computing Systems
Place of PublicationNew York
PublisherAssociation for Computing Machinery, Inc
Number of pages15
DOIs
Publication statusPublished - 2020
Event2020 CHI Conference on Human Factors in Computing Systems - Hawaiʻi Convention Center, Honolulu, United States
Duration: 25 Apr 202030 Apr 2020
https://chi2020.acm.org

Conference

Conference2020 CHI Conference on Human Factors in Computing Systems
Abbreviated titleCHI '20
CountryUnited States
CityHonolulu
Period25/04/2030/04/20
Internet address

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