Reading continuous text from a one-line visual display
International Journal of Man-Machine Studies
CHI '86 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Mobile text entry using three keys
Proceedings of the second Nordic conference on Human-computer interaction
User Interfaces for Applications on a Wrist Watch
Personal and Ubiquitous Computing
Expert Chording Text Entry on the Twiddler One-Handed Keyboard
ISWC '04 Proceedings of the Eighth International Symposium on Wearable Computers
Entering text with a four-button device
COLING '02 Proceedings of the 19th international conference on Computational linguistics - Volume 1
The chording glove: a glove-based text input device
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
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Mobile devices with limited interaction controls often employ cyclic scrolling for retrieval tasks. In this paper the scrolling behaviour of users entering text using a tree-key input technique based on two-phase cyclic character scrolling is studied. The results show that users have a tendency to scroll more from left-to-right than from right-to-left. However, users do also use the right-to-left functionality to both speed up their text entry task by choosing the shortest path and to make navigational corrections, suggesting that it is appropriate to provide bidirectional scrolling functionality in user interfaces on constrained mobile devices. In situations where a device architect is constrained to providing only unidirectional scrolling, the results suggest that a right-directional design is preferred over a left-directional design.