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Effect of non-Unified Interaction Design of in-car Applications on Driving Performance, Situational Awareness and Task Performance

Authors:
Julia Manner
Christopher Kohl
Michael Schermann
Helmut Krcmar

Keywords: interaction design; in-car applications; cognitive load; multi-tasking; multiple-tasks; task complexity

Abstract:
It is common understanding that human-computer interaction (HCI) systems should be designed unified. However,ensuring a unified interaction design (UID) is a cost intensive and time-consuming venture. Especially the automotive industry struggles with exceeding costs and time-to-market pressure as drivers want to stay connected and informed while driving. Therefore, we investigated the effect of non-unified interaction design (NUID). We report on a simulator study with 44 participants in which we studied the effect of a NUID within an automotive HCI system consisting of five in-car applications. We measured the effect on driving performance, task performance and situational awareness when carrying out tasks. We found no significant effect of UIDs. We offer an explanation based on HCI and cognitive ergonomics literature.

Pages: 28 to 34

Copyright: Copyright (c) IARIA, 2013

Publication date: February 24, 2013

Published in: conference

ISSN: 2308-4138

ISBN: 978-1-61208-250-9

Location: Nice, France

Dates: from February 24, 2013 to March 1, 2013