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Validating one-handed interaction modes for supporting touch dead-zone in large screen smartphones  

Park, Minji (서울과학기술대학교 나노IT디자인융합대학원 IT디자인융합전공)
Kim, Huhn (서울과학기술대학교 기계시스템디자인공학과)
Publication Information
Journal of the HCI Society of Korea / v.12, no.1, 2017 , pp. 25-32 More about this Journal
Abstract
The purpose of this study is to evaluate the effectiveness of one-handed interaction modes for supporting the dead zone that users must be difficulty in performing the touch manipulation with only one hand. For the purpose, this study analyzed two existing one-handed modes in iPhone and Android smartphones, and proposed and implemented two additional one-handed modes. In order to investigate effectiveness of the one-handed modes, we performed the experiment that compared normal touch mode with the four one-handed modes. Experimental results showed that all one-handed modes required more time than normal touch mode because of the time requiring in both mode change and recognition. However, the participants had difficulty in manipulating continuous touches at dead zone area with only normal touch. Moreover, the subjective satisfaction was high in one-handed modes thanks to touch convenience and smooth transition effects in mode change. In special, the one-handed mode at iPhone was the most effective out of the tested modes.
Keywords
One-handed mode; Touch dead zone; Touch manipulation; Large screen smartphones;
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Times Cited By KSCI : 1  (Citation Analysis)
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