The design and evaluation of a high-performance soft keyboard
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
The metropolis keyboard - an exploration of quantitative techniques for virtual keyboard design
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Movement model, hits distribution and learning in virtual keyboarding
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Qwerty-like 3x4 keypad layouts for mobile phone
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Interlaced QWERTY: accommodating ease of visual search and input flexibility in shape writing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Performance optimizations of virtual keyboards for stroke-based text entry on a touch-based tabletop
UIST '10 Proceedings of the 23nd annual ACM symposium on User interface software and technology
Predictive error behavior model of on-screen keyboard users
CHI '11 Extended Abstracts on Human Factors in Computing Systems
The 1line keyboard: a QWERTY layout in a single line
Proceedings of the 24th annual ACM symposium on User interface software and technology
KICSS'10 Proceedings of the 5th international conference on Knowledge, information, and creativity support systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Back keyboard: a physical keyboard on backside of mobile phone using qwerty
CHI '12 Extended Abstracts on Human Factors in Computing Systems
Tackling the acceptability of freely optimized keyboard layout
ICCHP'12 Proceedings of the 13th international conference on Computers Helping People with Special Needs - Volume Part II
PinyinPie: a pie menu augmented soft keyboard for chinese pinyin input methods
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
QWERTH: an optimized semi-ambiguous keyboard design
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services companion
Proceedings of the 25th annual ACM symposium on User interface software and technology
Action graphs and user performance analysis
International Journal of Human-Computer Studies
Freehand gestural text entry for interactive TV
Proceedings of the 11th european conference on Interactive TV and video
FFitts law: modeling finger touch with fitts' law
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
ZoomBoard: a diminutive qwerty soft keyboard using iterative zooming for ultra-small devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Interpretation of strokes in radial menus: The case of the KeyScretch text entry method
Journal of Visual Languages and Computing
Text entry by gazing and smiling
Advances in Human-Computer Interaction
Breaking psychological barrier toward changes: two experiences
UAHCI'13 Proceedings of the 7th international conference on Universal Access in Human-Computer Interaction: design methods, tools, and interaction techniques for eInclusion - Volume Part I
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It has been well understood that optimized soft keyboard layouts improve motor movement efficiency over the standard Qwerty layouts, but have the drawback of long initial visual search time for novice users. To ease the initial searching time on optimized soft keyboards, we explored "Quasi-Qwerty optimization" so that the resulting layouts are close to Qwerty. Our results show that a middle ground between the optimized but new, and the familiar (Qwerty) but inefficient does exist. We show that by allowing letters to move at most one step (key) away from their original positions on Qwerty in an optimization process, one can achieve about half of what free optimization could gain in movement efficiency. An experiment shows that due to users' familiarity with Qwerty, a layout with quasi Qwerty optimization could significantly reduce novice user's visual search time to a level between those of Qwerty and a freely optimized layout. The results in this work provide designers with a new quantitative understanding of the soft keyboard design space.