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Extending Mobile User Ambient Awareness for Nomadic Text Entry

  • Nowadays, we input text not only on stationary devices, but also on handheld devices while walking, driving, or commuting. Text entry on the move, which we term as nomadic text entry, is generally slower. This is partially due to the need for users to move their visual focus from the device to their surroundings for navigational purposes and back. To investigate if better feedback about users' surroundings on the device can improve performance, we present a number of new and existing feedback systems: textual, visual, textual & visual, and textual & visual via translucent keyboard. Experimental comparisons between the conventional and these techniques established that increased ambient awareness for mobile users enhances nomadic text entry performance. Results showed that the textual and the textual & visual via translucent keyboard conditions increased text entry speed by 14% and 11%, respectively, and reduced the error rate by 13% compared to the regular technique. The two methods also significantly reduced the number of collisions with obstacles.

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Metadaten
Document Type:Conference Object
Language:English
Author:Ahmed Sabbir Arif, Benedikt Iltisberger, Wolfgang Stuerzlinger
Parent Title (English):Proceedings of the 23rd Australian Computer-Human Interaction Conference
First Page:21
Last Page:30
DOI:https://doi.org/10.1145/2071536.2071539
Publication year:2011
Keyword:commuting; driving; mobile or handheld device; nomadic text entry; text entry in motion; touchscreen; virtual or soft keyboard; walking
Departments, institutes and facilities:Fachbereich Informatik
Dewey Decimal Classification (DDC):0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
Entry in this database:2015/08/21