Abstract
Abstract The study investigates how experienced computer users take advantage of the availability of graphic user interfaces in a word processing task. Performance time and actions were compared in three groups of subjects working respectively with WordPerfect 5.1, WordPerfect for Windows, or WordPerfect V2.00 for the Macintosh. The three groups did not differ in efficiency: they performed the word processing task at the same speed. Very few WordPerfect 5.1 users worked with the pull-down menus; the great majority preferred using the function key shortcuts. No significant difference in menu use was noted between the two graphical user interface word processors (Windows and Macintosh). Windows users did not apply shortcuts to move text, but used menus or the button bar instead. There was no difference in the use of the mouse between the Windows and Macintosh groups. While better task satisfaction is often reported with the availability of graphical user interfaces, our findings are in agreement with other studies suggesting that experienced users don't perform more efficiently with such a computer environment.
Published Version
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