Watch-top text-entry: can phone-style predictive text-entry work with only 5 buttons?

Mark D. Dunlop, Stephen Brewster (Editor), Mark Dunlop (Editor)

Research output: Chapter in Book/Report/Conference proceedingChapter

21 Citations (Scopus)
52 Downloads (Pure)


This paper presents an initial study into the viability of text entry on a watch face using four alphabetic buttons and a central space key. The study includes a technical evaluation of likely error rates using a large text corpus and user studies on palmtop emulated mobile phone and watch. The results, though in favour of the phone pad, are encouraging and show such a method is feasible.
Original languageEnglish
Title of host publicationProceedings of the 6th International Symposium on Human Computer Interaction with Mobile Devices and Services (Mobile HCI 2004)
Number of pages4
ISBN (Print)978-3-540-23086-1
Publication statusPublished - 16 Sept 2004

Publication series

NameLecture Notes in Computer Science


  • text-entry
  • predictive text
  • 5 buttons
  • mobile devices
  • user studies
  • usability


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