Tackling the acceptability of freely optimized keyboard layout

  • Authors:
  • Bruno Merlin;Mathieu Raynal;Heleno Fülber

  • Affiliations:
  • Universidade Federal do Pará, FACE, Cametá, Brazil;Institut de recherche en Informatique de Toulouse, Toulouse, France;Universidade Federal do Pará, FACE, Cametá, Brazil

  • Venue:
  • ICCHP'12 Proceedings of the 13th international conference on Computers Helping People with Special Needs - Volume Part II
  • Year:
  • 2012

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Abstract

Reorganization of a keyboard layout based on linguistic characteristics would be an efficient way to improve text input speed. However, a new character layout imposes a learning period that often discourages users. The Quasi-QWERTY Keyboard aimed at easing a new layout acceptance by limiting the changes. But this strategy prejudices the long term performance. Instead, we propose a solution based on the multilayer interface paradigm. The Multilayer Keyboard enables to progressively converge through a freely optimized layout. It transform the learning period into a transition period. During this transition period, user's performance never regresses and progressively improves.