Data Entry for Mobile Devices Using Soft Keyboards: Understanding the Effects of Keyboard Size and User Tasks
作者： Andrew Sears , Ying Zha
DOI: 10.1207/S15327590IJHC1602_03
关键词:
摘要: As mobile, handheld computing devices become more common and are used for an ever-increasing variety of tasks, new mechanisms data entry must be investigated. Personal digital assistants often provide a small stylus-activated soft keyboard, as do some mobile phones that include touch screens. However, there is little regarding the importance keyboard size or users' effectiveness these keyboards, user reactions to keyboards. In this article, experiment designed investigate issues in context palm-style QWERTY described. study, 30 novices completed 6 realistic tasks using either small, medium, large keyboard. The results not only confirm does affect rates but making smaller increase error negatively impact preference ratings. required users switch between alphabetic numeric result significantl...
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