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Evaluating one handed thumb tapping on mobile touchscreen devices
GI '08 Proceedings of graphics interface 2008
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Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
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Proceedings of the 12th international ACM SIGACCESS conference on Computers and accessibility
Evaluating swabbing: a touchscreen input method for elderly users with tremor
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Designing for individuals: usable touch-screen interaction through shared user models
Proceedings of the 14th international ACM SIGACCESS conference on Computers and accessibility
Third mobile accessibility workshop
CHI '13 Extended Abstracts on Human Factors in Computing Systems
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Mobile touch-screen interfaces and tetraplegic people have a controversial connection. While users with residual capacities in their upper extremities could benefit immensely from a device which does not require strength to operate, the precision needed to effectively select a target bars these people access to countless communication, leisure and productivity opportunities. Insightful projects attempted to bridge this gap via either special hardware or particular interface tweaks. Still, we need further insight into the challenges and the frontiers separating failure from success for such applications to take hold. This paper discusses an evaluation conducted with 15 tetraplegic people to learn the limits to their performance within a comprehensive set of interaction methods. We then present the results concerning a particular interaction technique: Tapping. Results show that performance varies across different areas of the screen whose distribution changes with target size.