Visual and manual loadings with QWERTY-like ambiguous keyboards: Relevance of letter-key assignments on mobile phones
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- 作者：Yu-Chun Huang ; ging0215@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Fong-Gong Wu fonggong@mail.ncku.edu.tw" class="auth_mail" title="E-mail the corresponding author
- 关键词：Mobile phone ; Text entry ; Ambiguous keyboard ; Hick&ndash ; Hyman Law ; Fitts' Law
- 刊名：International Journal of Industrial Ergonomics
- 出版年：2015
- 出版时间：November 2015
- 年：2015
- 卷：50
- 期：Complete
- 页码：143-150
- 全文大小：730 K
文摘
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Visual and manual tasks were executed on QWERTY and three ambiguous keyboards.
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Keyboard layouts with many letters per key require longer visual search time.
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Keyboard layouts with smaller key size require higher manual operation load.
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There are trade-offs between visual and manual loadings among these four keyboards.
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This study provides an enhanced understanding of designing ambiguous keyboard.