User-adaptive key click vibration on virtual keyboard

Seokhee Jeon, Hongchae Lee, Jiyoung Jung, Jin Ryong Kim

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


This study focuses on design of user-adaptive tactile keyboard on mobile device. We are particularly interested in its feasibility of user-adaptive keyboard in mobile environment. Study 1 investigates how tactile feedback intensity of the virtual keyboard in mobile devices affects typing speed and user preference. We report how different levels of feedback intensity affect user preferences in terms of typing speed and accuracy in different user groups with different typing performance. Study 2 investigates different tactile feedback modes (i.e., whether feedback intensity is linearly increased, linearly decreased, or constant from the centroid of the key, and whether tactile feedback is delivered when a key is pressed, released, or both pressed and released). We finally design and implement user-adaptive tactile keyboards on mobile device to explore the design space of our keyboards. We close by discussing the benefits of our design along with its future work.

Original languageEnglish
Article number6126140
JournalMobile Information Systems
StatePublished - 2018


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