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The impact of different human-machine interface feedback modalities on older participants' user experience of CAVs in a simulator environment

Eimontaite, Iveta; Voinescu, Alexandra; Alford, Chris; Caleb-Solly, Praminda; Morgan, Phillip

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Authors

Alexandra Voinescu a.voinescu@bath.ac.uk

Phillip Morgan morganphil@cardiff.ac.uk



Abstract

Rapidly developing Autonomous Vehicle (AV) technology has potential to provide solutions to some of the aging population challenges, such as social isolation resulting from an inability to be independently mobile. However for AVs success, users' acceptance is essential. Fifteen participants (M 70 years) participated in an autonomous driving simulator trial with voice-based CAV status feedback in a decision-making scenario-whether to pick up a friend on the way. The within-subject conditions/journeys were: Audio feedback (Audio)/Pick-Up; Audio/No-PickUp ; No-Audio/Pick-Up. Additionally, the effect of feedback during different external journey conditions was also considered, resulting in two between-subjects conditions-day and night travel. Participants physiological, cognitive and affective measures show greater situational awareness and work-load ratings in the No-Audio/Pick-Up condition with increased Post-trial trust rating and overall higher positive affect. These results indicate that the greatest concentration was required in the no-sound condition, suggesting that sound/multimodal feedback improved ease of operation and journey experience.

Citation

Eimontaite, I., Voinescu, A., Alford, C., Caleb-Solly, P., & Morgan, P. (2019). The impact of different human-machine interface feedback modalities on older participants' user experience of CAVs in a simulator environment. In Proceedings of the AHFE 2019 International Conference on Human Factors in Transportation. , (120-132). https://doi.org/10.1007/978-3-030-20503-4_11

Conference Name International Conference on Applied Human Factors and Ergonomics
Start Date Jul 24, 2019
End Date Jul 28, 2019
Acceptance Date Jun 6, 2019
Online Publication Date Jun 6, 2019
Publication Date Aug 1, 2019
Deposit Date Mar 19, 2020
Publicly Available Date Jun 7, 2020
Publisher Springer Verlag
Volume 964
Pages 120-132
Series Title Advances in Intelligent Systems and Computing
Book Title Proceedings of the AHFE 2019 International Conference on Human Factors in Transportation
ISBN 9783030205027
DOI https://doi.org/10.1007/978-3-030-20503-4_11
Public URL https://uwe-repository.worktribe.com/output/5694762

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