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The influence of system transparency on trust : evaluating interfaces in a highly automated vehicle
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Oliveira, Luis, Burns, Christopher, Luton, Jacob, Iyer, Sumeet and Birrell, Stewart (2020) The influence of system transparency on trust : evaluating interfaces in a highly automated vehicle. Transportation Research Part F: Traffic Psychology and Behaviour, 72 . pp. 280-296. doi:10.1016/j.trf.2020.06.001 ISSN 1369-8478.
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Official URL: http://dx.doi.org/10.1016/j.trf.2020.06.001
Abstract
Previous studies indicate that, if an automated vehicle communicates its system status and intended behaviour, it could increase user trust and acceptance. However, it is still unclear what types of interfaces will better portray this type of information. The present study evaluated different configurations of screens comparing how they communicated the possible hazards in the environment (e.g. vulnerable road users), and vehicle behaviours (e.g. intended trajectory). These interfaces were presented in a fully automated vehicle tested by 25 participants in an indoor arena. Surveys and interviews measured trust, usability and experience after users were driven by an automated low-speed pod. Participants experienced four types of interfaces, from a simple journey tracker to a windscreen-wide augmented reality (AR) interface which overlays hazards highlighted in the environment and the trajectory of the vehicle. A combination of the survey and interview data showed a clear preference for the AR windscreen and an animated representation of the environment. The trust in the vehicle featuring these interfaces was significantly higher than pretrial measurements. However, some users questioned if they want to see this information all the time. One additional result was that some users felt motion sick when presented with the more engaging content. This paper provides recommendations for the design of interfaces with the potential to improve trust and user experience within highly automated vehicles.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TS Manufactures | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Library of Congress Subject Headings (LCSH): | Automated guided vehicle systems, Trust, Calibration, Automation, User-centered system design, Observation (Scientific method) | ||||||||
Journal or Publication Title: | Transportation Research Part F: Traffic Psychology and Behaviour | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 1369-8478 | ||||||||
Official Date: | July 2020 | ||||||||
Dates: |
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Volume: | 72 | ||||||||
Page Range: | pp. 280-296 | ||||||||
DOI: | 10.1016/j.trf.2020.06.001 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 20 July 2020 | ||||||||
Date of first compliant Open Access: | 30 June 2021 | ||||||||
RIOXX Funder/Project Grant: |
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