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Capturing Longitudinal Usability:  What Really Affects User Performance Over Time?


In this Special Interest Group (SIG) the attendees discussed methods for capturing usability data over time. Specifically, they shared industry best practices, brainstormed alternative solutions, as well as compared and contrasted usability engineering methods for capturing usability problems that persist over time. They also explored why longitudinal research is not a more common UCD practice.


Vaughan, M. W., & Courage, C. (2007) SIG: Capturing Longitudinal Usability:  What really affects user performance over time? Proceedings of CHI 2007: Human Factors in Computing Systems (pp. 2149-2152). New York:  Association of Computing Machinery.

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