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Lim, Ji Hyoun
Intelligent Interaction Lab
Research Interests
  • Computational Cognitive Model, Semantic Network Analysis, Human Robot Interaction

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Virtual Sliding QWERTY: A new text entry method for smartwatches using Tap-N-Drag

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Title
Virtual Sliding QWERTY: A new text entry method for smartwatches using Tap-N-Drag
Author
Cha, Jae-MinChoi, EunjungLim, Ji Hyoun
Issue Date
2015-11
Publisher
ELSEVIER SCI LTD
Citation
APPLIED ERGONOMICS, v.51, pp.263 - 272
Abstract
A smaller screen of smartwatches compare to conventional mobile devices such as PDAs and smart-phones is one of the main factors that makes users to input texts difficult. However, several studies have only proposed a concept for entering texts for smartwatches without usability tests while other studies showed low text input performance. In this study, we proposed a new text entry method called Virtual Sliding QWERTY (VSQ) which utilizes a virtual qwerty-layout keyboard and a 'Tap-N-Drag' method to move the keyboard to the desired position. In addition, to verify VSQ we conducted a usability test with 20 participants for a combination of 5 key sizes and 4 CD-gains. As a result, VSQ achieved an average of 11.9 Words per Minute which was higher than previous studies. In particular, VSQ at 5 x 5 key size and 2x, or 3x CD-gain had the highest performance in terms of the quantitative and qualitative usability test.
URI
https://scholarworks.unist.ac.kr/handle/201301/17990
URL
http://www.sciencedirect.com/science/article/pii/S0003687015000915
DOI
10.1016/j.apergo.2015.05.008
ISSN
0003-6870
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DHE_Journal Papers
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