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The Mobile Oracle – an on Demand Wizard of Oz Tool

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Author

Summary, in English

This paper describes a novel tool for eliciting user requirements

early in the design process of mobile applications. The “Mobile

Oracle”, as we have called it, is intended to help developers and

designers obtain a better understanding of what the user wants at

different points in space and time. It is an extension of a lo-fi

version of the well-established Wizard of Oz technique, but it also

adds an “on demand” component to force users to explicitly

request the information they need. The technique has been tested

in an investigation involving 15 users (sighted, visually impaired,

and elderly). Results show it to generate valuable information

concerning the ways people ask about directions and distances, as

well as the services they would like to have in future mobile

applications.

Publishing year

2009

Language

English

Publication/Series

MobileHCI09

Document type

Conference paper

Publisher

Association for Computing Machinery (ACM)

Topic

  • Human Computer Interaction

Keywords

  • design
  • on demand
  • wizard of oz
  • user requirements

Conference name

MobileHCI 2009 Workshop: Mobile Living Labs ‘09: Methods and Tools for Evaluation in the Wild

Conference date

0001-01-02

Status

Published

Research group

  • Audio-Haptic Interactive Design

ISBN/ISSN/Other

  • ISBN: 978-1-60558-281-8