A Comparison of Graphics and Speech in a Task-Oriented Interactio

  • Authors:
  • Patrick G. T. Healey;Rosemarie McCabe;Yasuhiro Katagiri

  • Affiliations:
  • -;-;-

  • Venue:
  • Diagrams '00 Proceedings of the First International Conference on Theory and Application of Diagrams
  • Year:
  • 2000

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Abstract

The use of graphical media in synchronous communication has received relatively little attention. This paper reports the results of an experimental study of graphical communication that systematically compares interaction in a task-oriented dialogue with and without a shared virtual whiteboard. Observations of the interaction show that a wide variety of communicative functions can potentially be served by graphical interaction. Analyses of both overall performance and communicative process demonstrate that graphical communication can provide a clear transactional advantage in communication. The results also show that participants develop their use of graphics, producing progressively more abstract graphical representations as their experience increases.