Extending Fitts' law to two-dimensional tasks
CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Accuracy measures for evaluating computer pointing devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A comparison of consecutive and concurrent input text entry techniques for mobile phones
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Target size study for one-handed thumb use on small touchscreen devices
Proceedings of the 8th conference on Human-computer interaction with mobile devices and services
Blindsight: eyes-free access to mobile phones
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Evaluating one handed thumb tapping on mobile touchscreen devices
GI '08 Proceedings of graphics interface 2008
Touch key design for target selection on a mobile phone
Proceedings of the 10th international conference on Human computer interaction with mobile devices and services
Bezel swipe: conflict-free scrolling and multiple selection on mobile touch screen devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Experimental analysis of touch-screen gesture designs in mobile environments
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Typing on flat glass: examining ten-finger expert typing patterns on touch surfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
100,000,000 taps: analysis and improvement of touch performance in the large
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
BrailleTouch: designing a mobile eyes-free soft keyboard
Proceedings of the 13th International Conference on Human Computer Interaction with Mobile Devices and Services
No-look notes: accessible eyes-free multi-touch text entry
Pervasive'10 Proceedings of the 8th international conference on Pervasive Computing
User learning and performance with bezel menus
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Exploring user motivations for eyes-free interaction on mobile devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Touch behavior with different postures on soft smartphone keyboards
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
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Many eyes-free interaction techniques have been proposed for touchscreens, but few researches have studied human's eyes-free pointing ability with mobile phones. In this paper, we investigate the single-handed thumb performance of eyes-free, absolute position control on mobile touch screens. Both 1D and 2D experiments were conducted. We explored the effects of target size and location on eyes-free touch patterns and accuracy. Our findings show that variance of touch points per target will converge as target size decreases. The centroid of touch points per target tends to be offset to the left of target center along horizontal direction, and shift toward screen center along vertical direction. Average accuracy drops from 99.6% of 2×2 layout to 85.0% of 4×4 layout, and average per target varies depending on the location of target. Our findings and design implications provide a foundation for future researches based on eyes-free, absolute position control using thumb on mobile devices.