Pointing and beyond: an operationalization and preliminary evaluation of multi-scale searching

  • Authors:
  • Emmanuel Pietriga;Caroline Appert;Michel Beaudouin-Lafon

  • Affiliations:
  • INRIA, Orsay, France and LRI - Univ. Paris-Sud & CNRS, Orsay, France;LRI - Univ. Paris-Sud & CNRS, Orsay, France and INRIA, Orsay, France;LRI - Univ. Paris-Sud & CNRS, Orsay, France and INRIA, Orsay, France

  • Venue:
  • Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
  • Year:
  • 2007

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Abstract

A number of experimental studies based on domain-specific tasks have evaluated the efficiency of navigation techniques for searching multi-scale worlds. The discrepancies among their results call for a more generic framework similar in spirit to Fitts' reciprocal pointing task, but adapted to a task that significantly differs from pure pointing. We introduce such a framework based on an abstract task and evaluate how four multi-scale navigation techniques perform in one particular multi-scale world configuration. Experimental findings indicate that, in this context, pan & zoom combined with an overview is the most efficient technique of all four, and that focus + context techniques perform better than classical pan & zoom. We relate these findings to more realistic situations, discuss their applicability, and how the framework can be used to cover a broad range of situations.