Beyond Fitts' law: models for trajectory-based HCI tasks
Proceedings of the ACM SIGCHI Conference on Human factors in computing systems
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Scale effects in steering law tasks
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
More than dotting the i's --- foundations for crossing-based interfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
CHI '06 Extended Abstracts on Human Factors in Computing Systems
Using an audio interface to assist users Who are visually impaired with steering tasks
Proceedings of the 8th international ACM SIGACCESS conference on Computers and accessibility
Evaluating swiftpoint as a mobile device for direct manipulation input
AUIC '07 Proceedings of the eight Australasian conference on User interface - Volume 64
IHM '07 Proceedings of the 19th International Conference of the Association Francophone d'Interaction Homme-Machine
Speed-Accuracy Tradeoff in Trajectory-Based Tasks with Temporal Constraint
INTERACT '09 Proceedings of the 12th IFIP TC 13 International Conference on Human-Computer Interaction: Part I
Target following performance in the presence of latency, jitter, and signal dropouts
Proceedings of Graphics Interface 2011
Proceedings of Graphics Interface 2012
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The steering law model describes pointing device motion through constrained paths. Previous uses of the model are deficient because they are built using only error-free responses, ignoring altogether the path of the cursor. We correct this by proposing and validating a technique to include spatial variability, including errors. The technique is a variant of the well-known "effective target width" used in Fitts' law models. An experiment designed to test our technique demonstrates the improvement: Correlations are consistently higher when spatial variability is included in building the model. Suggestions to aid further development of the steering law model are included.