A comparison of three selection techniques for touchpads
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Predicting text entry speed on mobile phones
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
LetterWise: prefix-based disambiguation for mobile text input
Proceedings of the 14th annual ACM symposium on User interface software and technology
Will it be upper-case or will it be lower-case: can a prompt for text be a mode signal?
CHI '02 Extended Abstracts on Human Factors in Computing Systems
An evaluation of mobile phone text input methods
AUIC '02 Proceedings of the Third Australasian conference on User interfaces - Volume 7
Phrase sets for evaluating text entry techniques
CHI '03 Extended Abstracts on Human Factors in Computing Systems
A system for fast, full-text entry for small electronic devices
Proceedings of the 5th international conference on Multimodal interfaces
TiltText: using tilt for text input to mobile phones
Proceedings of the 16th annual ACM symposium on User interface software and technology
The Mobile Connection: The Cell Phone's Impact on Society
The Mobile Connection: The Cell Phone's Impact on Society
A comparison of consecutive and concurrent input text entry techniques for mobile phones
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Twiddler typing: one-handed chording text entry for mobile phones
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A comparison of two input methods for keypads on mobile devices
Proceedings of the third Nordic conference on Human-computer interaction
Will it be a capital letter: signalling case mode in mobile phones
Interacting with Computers
Text Entry Systems: Mobility, Accessibility, Universality
Text Entry Systems: Mobility, Accessibility, Universality
Using paper mockups for evaluating soft keyboard layouts
CASCON '07 Proceedings of the 2007 conference of the center for advanced studies on Collaborative research
The one-key challenge: searching for a fast one-key text entry method
Proceedings of the 11th international ACM SIGACCESS conference on Computers and accessibility
Mobile interaction and future developments in mobile phone user interfaces
IASTED-HCI '07 Proceedings of the Second IASTED International Conference on Human Computer Interaction
SAK: Scanning ambiguous keyboard for efficient one-key text entry
ACM Transactions on Computer-Human Interaction (TOCHI)
Improving mobile multi-tap text entry for Arabic language
Computer Standards & Interfaces
1 thumb, 4 buttons, 20 words per minute: design and evaluation of H4-writer
Proceedings of the 24th annual ACM symposium on User interface software and technology
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LetterEase, a new technique for text entry on a small handheld device is described. Indeed, the current 12-button text entry keypad causes typing overhead as 26 alphabet letters are assigned to only 8 buttons (2-9). The LetterEase method uses letter-frequency data from SMS text messages collected from real situations and the moving distance between buttons with thumb use. We first discuss how to implement this LetterEase method, and then present the results of a controlled experiment comparing LetterEase to the conventional multitap method and the two-letter multitap method that was designed as a control letter assignment. The results showed that both less keystrokes and less errors using LetterEase were identified. In addition, despite slower text entry speed than that of the conventional multitap method, in effect, the users experienced LetterEase lessened the gap more readily during the course of the experiment as fast as the conventional multitap method.