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ThinkMind // UBICOMM 2012, The Sixth International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies // View article ubicomm_2012_5_10_10046


Single-Handed Typing with Minimal Eye Commitment: A Text-Entry Study

Authors:
Adrian Tarniceriu
Pierre Dillenbourg
Bixio Rimoldi

Keywords: chording keyboard; text entry; key mapping; mobile device

Abstract:
For most people, typing text on a mobile device requires visual commitment to the input mechanism. As a consequence, there are many situations in our daily life when we have to refrain from using these devices as our vision is already committed. An example is trying to text while walking in a crowded place. Chording devices allow us to type without looking at the input device but using them requires some training. We present the results of a study that evaluates the performance of a key-to-character mapping for a 5-key chording device. The mapping is designed to minimize the learning phase. After 45 minutes of training it was completely learned, and after approximately 250 minutes the average entry speed was 15.2 words per minute. A prototype that implements this mapping was mounted on a bike and tested by the authors who could comfortably ride and type while being focused on the road.

Pages: 117 to 122

Copyright: Copyright (c) IARIA, 2012

Publication date: September 23, 2012

Published in: conference

ISSN: 2308-4278

ISBN: 978-1-61208-236-3

Location: Barcelona, Spain

Dates: from September 23, 2012 to September 28, 2012

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