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BONNIE
JOHN
Associate Professor
Human Computer Interaction Institute
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I am interested in techniques to improve the design of computer
systems with respect to their usefulness and usability. To that end,
I have investigated the effectiveness and usability of several HCI
techniques (e.g., think-aloud usability studies, Cognitive Walkthrough,
GOMS) and produced new techniques for bringing usability concerns
to the design process (e.g., CPM-GOMS and software architecture evaluation
for usability). Much of my work focuses on cognitive modeling, where
I work within a unified theory of cognition to develop models of
human performance that produce quantitative predictions of performance
with less effort than prototyping and user testing. I also work on
bridging the gap between HCI and software engineering, specifically
including usability concerns in software architecture design.
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