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This paper presents results of a survey that explored the challenges low-income mobile users of Dhaka, Bangladesh (N = 131) face in mobile text entry. Results revealed that all users use the Bengali language at some capacity to compose text, yet many (are forced to) write with the Roman alphabet. Both feature phone and smartphone users feel that the existing text entry techniques are difficult to...
This paper presents results of an exploratory study that examined the effects of different types of correctness feedback on children's actual and perceived performance with a math app. In the study, forty-flve grade-2 students solved easy, moderate, and hard drill questions with a math app augmented with textual, icon, and emoticon correctness feedback. Results suggested that, for the most part, neither...
This paper presents results of a survey that explored users' typing handedness in various mobile settings, such as while walking, while commuting, and while driving. Results show that a substantial number of users input text on their handheld devices while walking (48%) and while commuting (90%). About half of these users use both hands, while the rest half use either their dominant or non-dominant...
Researchers have proposed many text entry systems to enable users to perform this frequent task as quickly and precise as possible. Unfortunately the reported data varies widely and it is difficult to extract meaningful average entry speeds and error rates from this body of work. In this article we collect data from well-designed and well-reported experiments for the most important text entry methods,...
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