Physical Fidelity: Exploring the Importance of Physicality on Physical-Digital Conceptual Prototyping

Authors:
Joanna Hare;Steve Gill;Gareth Loudon;Devina Ramduny-Ellis;Alan Dix
Affiliations:
The National Centre for Product Design and Development Research (PDR), The University of Wales Institutue, Cardiff (UWIC), Cardiff, UK CF5 2YB;The National Centre for Product Design and Development Research (PDR), The University of Wales Institutue, Cardiff (UWIC), Cardiff, UK CF5 2YB;The National Centre for Product Design and Development Research (PDR), The University of Wales Institutue, Cardiff (UWIC), Cardiff, UK CF5 2YB;InfoLab21, Lancaster University, Lancaster, UK LA1 4WA;InfoLab21, Lancaster University, Lancaster, UK LA1 4WA
Venue:
INTERACT '09 Proceedings of the 12th IFIP TC 13 International Conference on Human-Computer Interaction: Part I
Year:
2009

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Abstract

The physicality of digital-physical devices is an essential part of our interaction and understanding of information appliances. This paper draws on the findings of an empirical study investigating the effect of physical fidelity on a series of user trials. Three prototypes of a single design intent were built, the standard of their construction dictated by the time imposed on the designer. In choosing this constraint, the authors present the argument that the most important driver in decisions that dictate fidelity levels is the available and/or necessary time required for making a prototype in order to generate information of the right quality. This paper presents the empirical and qualitative results of the trials, which suggest that there is little effect of fidelity on user performance, but the user's ability to give constructive feedback on the design was influenced by the nature of the prototypes.