Text Entry Performance of VirHKey in Keyboard Use

B. Martin (France) and P. Isokoski (Finland)


Focus and context, hyperbolic geometry, device independence, text entry, reduced keyboard.


The Virtual Hyperbolic Keyboard (VirHKey) is a text entry method that was originally designed to be used with a stylus. We constructed and tested a keyboard-based version of VirHKey. Average text entry rate ranged from 5 wpm during the first 20-minute session to 21 wpm during the 20th session. The average character error rate was under 2%. VirHKey is unlikely to be the most efficient method on any input device. Its value lies in the ability to transfer text entry skill between input devices.

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