Yves Guiard
Michel Beaudouin-Lafon
ABSTRACT
Fitts pointing model has proven extremely useful for understanding basic selection in WIMP user interfaces. Yet todays interfaces involve more complex navigation within electronic environments. As navigation amounts to a form of multi-scale pointing, Fitts model can be applied to these more complex tasks. We report the results of a preliminary pointing experiment that shows that users can handle higher levels of task difficulty with two-scale rather than traditional one-scale pointing control. Also, in tasks with very high-precision hand movements, performance is higher with a stylus than with a mouse.
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Index Terms
- Navigation as multiscale pointing: extending Fitts' model to very high precision tasks
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