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

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. A...

• Type: Conference
• Year: 2009
• Where: CHI
• Authors: Neema Moraveji, Kori Inkpen, Ed Cutrell, Ravin Balakrishnan
• Keywords: CHI 2009, Group Size Increases, Human Computer Interaction, Keywords Single Display, On-screen Targets