NDLI: Extending mobile user ambient awareness for nomadic text entry.

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Extending mobile user ambient awareness for nomadic text entry.

Content Provider	CiteSeerX
Author	Arif, Ahmed Sabbir Iltisberger, Benedikt Stuerzlinger, Wolfgang
Abstract	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. Author Keywords Mobile or handheld device, virtual or soft keyboard, text entry in motion, nomadic text entry, walking, driving, commuting, touchscreen.
File Format	PDF
Access Restriction	Open
Subject Keyword	Nomadic Text Entry Mobile User Ambient Awareness Text Entry Translucent Keyboard Experimental Comparison Navigational Purpose Author Keywords Mobile Feedback System Text Entry Speed Handheld Device Regular Technique User Surroundings Translucent Keyboard Condition Ambient Awareness Stationary Device Visual Focus Soft Keyboard Error Rate
Content Type	Text

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