DAVID LARGE David.R.Large@nottingham.ac.uk
Senior Research Fellow
Fostering Trust and Acceptance of a Collision Avoidance System through Retrospective Feedback
Large, David; Khan, James; Burnett, Gary
Authors
James Khan
Gary Burnett
Abstract
A simulator study explored the effects of providing retrospective feedback on drivers’ acceptance of a collision avoidance system (CAS) following a false activation. Sixteen experienced drivers undertook two drives, each lasting approximately 20 minutes. During both drives, the CAS identified a rogue pedestrian and intervened by providing an audible warning closely following by emergency braking. Feedback was provided following one of the activations (with the order counterbalanced between participants), in the form of a detailed storyboard ‘playback’ depicting the system’s analysis of the situation. Subjective ratings of trust, confidence, annoyance and desirability, revealed no differences overall between conditions (i.e. with and without post-event feedback). However, there was a tendency for drivers to trust the system more if feedback was provided during their first drive, whereas drivers who were provided feedback during their second drive indicated higher levels of confidence in the system and found it less annoying. There was also a significant rise in the number of drivers who detected the potential pedestrian hazard prior to system activation during their second drive. Results suggests benefits associated with the provision of retrospective feedback, but effects may have been influenced by the experimental design, which exposed participants to similar pedestrian hazard events in consecutive drives. Future investigations, which should continue to explore techniques to enhance trust and acceptance of active safety systems, should therefore adopt a between-subjects design to isolate effects.
Citation
Large, D., Khan, J., & Burnett, G. (2018). Fostering Trust and Acceptance of a Collision Avoidance System through Retrospective Feedback. In Proceedings of the 6th Humanist Conference
Presentation Conference Type | Conference Paper (Published) |
---|---|
Conference Name | 6th Humanist Conference |
Start Date | Jun 13, 2018 |
End Date | Jun 14, 2018 |
Acceptance Date | Jun 13, 2018 |
Publication Date | Jun 13, 2018 |
Deposit Date | Nov 27, 2018 |
Publicly Available Date | Nov 27, 2018 |
Book Title | Proceedings of the 6th Humanist Conference |
Public URL | https://nottingham-repository.worktribe.com/output/1310839 |
Related Public URLs | http://www.humanist-vce.eu/major-activities/conference/the-hague-2018/ |
Contract Date | Nov 27, 2018 |
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