JEEPERS : AN INTERFACE PERCEPTION RESEARCH TOO L SUZANNE WEGHORS T WERNER STUETZLE Abstrac t Jeepers is a software tool for conducting empirical studie s of user perception of graphical interface features . It was developed in the context of a research program on dynami c interactive graphical techniques for data visualization an d exploration . The tool was effectively applied in researchin g the problem of discerning point cloud highlighting pattern s such as those that would be displayed in interactive dat a "painting" . Other potential research uses for the softwar e are discussed . The Need for User Perception Research Tool s Today human-computer interaction is more likely to b e open-ended and user event-driven than procedurally-driven , and input and output are increasingly more likely to b e graphical or locational than textual . User perception of th e program interface has thus become an important factor i n determining software effectiveness . As more uncertainty is introduced into computing systems , we are increasingly compelled to supplement forma l analysis with empirical study of user-system interaction . As with other areas of human endeavor, we should look fo r ways to relegate to
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