Wizard of oz for multimodal interfaces design: deployment considerations

Authors:
Ronnie Taib;Natalie Ruiz
Affiliations:
ATP Research Laboratory, National ICT Australia, Sydney, Australia and School of Computer Science and Engineering, The University of New South Wales, NSW, Sydney, Australia;ATP Research Laboratory, National ICT Australia, Sydney, Australia and School of Computer Science and Engineering, The University of New South Wales, NSW, Sydney, Australia
Venue:
HCI'07 Proceedings of the 12th international conference on Human-computer interaction: interaction design and usability
Year:
2007

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Abstract

The use of Wizard of Oz (WOz) techniques for the acquisition of multimodal interaction patterns is common, but often relies on highly or fully simulated functionality. This paper suggests that a more operational WOz can benefit multimodal interaction research. The use of a hybrid system containing both fully-functional components and WOz-enabled components is an effective approach, especially for highly multi-modal systems, and collaterally, for cognitively loaded applications. The description of the requirements and resulting WOz set-up created for a user study in a traffic incident management application design is presented. We also discuss the impact of the ratio of simulated and operational parts of the system dictated by these requirements, in particular those related to multimodal interaction analysis.