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Redundancy in interface design and its impact on intuitive use of a product in older users

Gudur, Raghavendra R., Blackler, Alethea L., Popovic, Vesna, & Mahar, Douglas P. (2009) Redundancy in interface design and its impact on intuitive use of a product in older users. In IASDR 2009 Rigor and Relevance in Design, IASDR 2009, Coex, Seoul, p. 209.

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Abstract

Many older adults have difficulty using modern consumer products due to their complexity both in terms of functionality and interface design. It has been observed that older people also have more problems learning new systems. It was hypothesised that designing technological products that are more intuitive for older people to use can solve this problem. An intuitive interface allows a user’s to employ prior knowledge, thus minimizing the learning needed for effective interaction. This paper discusses an experiment investigating the effectiveness of redundancy in interface design. The primary objective of this experiment was to find out if using more than one modality for a product’s interface improves the speed and intuitiveness of interactions for older adults. Preliminary analysis showed strong correlation between technology familiarity and time on tasks, but redundancy in interface design improved speed and accuracy of use only for participants with moderate to high technology familiarity.

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ID Code: 28513
Item Type: Conference Paper
Keywords: Intuitive use, Ageing, Usability, cognition, Interface design
ISBN: 9788996319405
Subjects: Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > DESIGN PRACTICE AND MANAGEMENT (120300) > Digital and Interaction Design (120304)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > QUT Faculties and Divisions > Faculty of Health
Past > Schools > School of Design
Current > Schools > School of Psychology & Counselling
Copyright Owner: Copyright 2009 [please consult the authors]
Deposited On: 11 Nov 2009 09:44
Last Modified: 01 Mar 2012 00:05

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