Abstract

The research aimed to test the influence on text entry efficiency of supporting features in gaze text entry systems (aka gaze keyboards), leading to dynamic changes in key layout and size. We examined three gaze-controlled on-screen keyboards, that differ in the degree of support, which translates into the amount of change that occurs in the arrangement of the keys and their size - three degrees of dynamism of keyboards’ graphical user interface. We also attempted to examine the importance of user attention while using dynamic interface and its impact on text input performance.

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