The utility of speech input in user-computer interfaces
International Journal of Man-Machine Studies
Usability inspection methods
Communications of the ACM
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An evaluation experiment was conducted to compare four interface styles: Hanwang Fixed Window, Translucent Mobile Single Window, Translucent Mobile Double Window, and No Window. Subjects tested the four styles on a pen_based word edit system in free-form mode. The result shows that traditional interface style of the Hanwang Fix Window didn't satisfy the requirement of the nature interaction of the end user. And the TMDW mode are very suitable for user to perform the word processing task, in terms of the task performing time and mean accuracy rate. And the NW is the most nature and promising style, in terms of the subjective preference and the error rate of the performing time and accuracy rate of the experimental data. The experiment also shows that the moving window would influent the accuracy rate of the recognition. This experiment confirmed that a proper employment of interface style could improve the interactive efficiency of word editing systems. Also we give out some useful interface hints to improve the performance of the interface. Our tests for the first time give statistical support to the view that free pen_based interface is meaningful in the nature pen and gesture input of the word edit system.