A mischief of mice: examining children's performance in single display groupware systems with 1 to 32 mice

  • Authors:

  • Neema Moraveji;Kori Inkpen;Ed Cutrell;Ravin Balakrishnan

  • Affiliations:

  • Stanford University, Stanford, CA, USA;Microsoft Research, Redmond, WA, USA;Microsoft Research, Redmond, WA, USA;University of Toronto, Toronto, Canada

  • Venue:
  • Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
  • Year:
  • 2009

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Abstract

Mischief is a system for classroom interaction that allows multiple children to use individual mice and cursors to interact with a single large display [20]. While the system can support large groups of children, it is unclear how children's performance is affected as group size increases. We explore this question via a study involving two tasks, with children working in group sizes ranging from 1 to 32. The first required reciprocal selection of two on-screen targets, resembling a swarm pointing scenario that might be used in educational applications. The second, a more temporally and spatially distributed pointing task, had children entering different words by selecting characters on an on-screen keyboard. Results indicate that performance is significantly affected by group size only when targets are small. Further, group size had a smaller effect when pointing was spatially and temporally distributed than when everyone was concurrently aiming at the same targets.