Pitts, Matthew J., Burnett, Gary, Skrypchuk, Lee, Wellings, Tom, Attridge, Alex and Williams, M. A. (Mark A.) (2012) Visual–haptic feedback interaction in automotive touchscreens. Displays, Vol.33 (No.1). pp. 7-16. doi:10.1016/j.displa.2011.09.002

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Abstract

Touchscreen interfaces offer benefits in terms of flexibility and ease of interaction and as such their use has increased rapidly in a range of devices, from mobile phones to in-car technology. However, traditional touchscreens impose an inevitable visual workload demand that has implications for safety, especially in automotive use. Recent developments in touchscreen technology have enabled feedback to be provided via the haptic channel. A study was conducted to investigate the effects of visual and haptic touchscreen feedback on visual workload, task performance and subjective response using a medium-fidelity driving simulator. Thirty-six experienced drivers performed touchscreen ‘search and select’ tasks while engaged in a motorway driving task. The study utilised a 3 × 2 within-subjects design, with three levels of visual feedback: ‘immediate’, ‘delayed’, ‘none’; and two levels of haptic feedback: ‘visual only’, ‘visual + haptic’. Results showed that visual workload was increased when visual feedback was delayed or absent; however, introducing haptic feedback counteracted this effect, with no increases observed in glance time and count. Task completion time was also reduced when haptic feedback was enabled, while driving performance showed no effect due to feedback type. Subjective responses indicated that haptic feedback improved the user experience and reduced perceived task difficulty.

Item Type:	Journal Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions:	Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Journal or Publication Title:	Displays
Publisher:	Elsevier BV
ISSN:	0141-9382
Official Date:	January 2012
Dates:	Date Event January 2012 Published
Volume:	Vol.33
Number:	No.1
Number of Pages:	10
Page Range:	pp. 7-16
DOI:	10.1016/j.displa.2011.09.002
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access
Funder:	Advantage West Midlands (AWM), European Regional Development Fund (ERDF), Human Factors Research Group, University of Nottingham

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