CUED Publications database

Unconstrained design: improving multitasking with in-vehicle information systems through enhanced situation awareness

Skrypchuk, L and Langdon, P and Sawyer, BD and Clarkson, PJ (2020) Unconstrained design: improving multitasking with in-vehicle information systems through enhanced situation awareness. Theoretical Issues in Ergonomics Science, 21. pp. 183-219. ISSN 1463-922X

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Abstract

In the age of information, in-vehicle multitasking is inevitable. The popularity of the automobile, in combination with the present information age, create a growing demand to do more in-vehicle than simply focus on the road. Unconstrained Design, a philosophy which supports rather than constrains multitasking, is proposed as a path toward enhancing performance in-vehicle. Situation Awareness (SA), a theory allowing designers to understand how operators interact in dynamic, complex environments, is used to frame this experimental investigation. Two SA-grounded human-machine interface concepts are proposed, designed to support drivers to multitask in-vehicle when frequent task switching is required. The first focuses upon supporting preparation for a Non-Driving Related Activity (NDRA), and the second upon supporting the Driving Related Activity (DRA) when an NDRA is active. While multitasking, Contextual Cueing, using a Head-up Display, produced significant reductions in NDRA response time, while an auditory lane keeping aid increased the amount of time a driver spent in the central region of a lane. The combined evidence suggests that using SA and Unconstrained Design to create of IVIS that support drivers’ ability to multitask in-vehicle can lead to task performance improvements.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div C > Engineering Design
Div C > Materials Engineering
Depositing User: Unnamed user with email sms67@cam.ac.uk
Date Deposited: 16 Oct 2019 20:02
Last Modified: 09 Sep 2021 03:04
DOI: 10.1080/1463922X.2019.1680763