empirical-user-studies - Empirical User Studies Brian...

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Empirical User Studies Brian Bailey
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Announcements HW3 due Nov. 18 Functional prototype due Nov. 11 Read poster description on course site
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How good is our design?
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Purpose of User Study Measure usability with better precision Compare results to goals Identify, prioritize, and correct issues Create positive experience
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Why Are Studies Difficult? User behavior is unpredictable Measure the right things Limited interaction time
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Steps Have the basics Prepare for the study Conduct the study Analyze, reflect, and iterate Learn from the experience
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The Basics Task descriptions Functional interface Target audience Determine what “success” means
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Class Discussion How would you define “success” for your group’s course design project?
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Prepare for the Study Identify the right questions Develop tasks Recruit users Decide on experimental design Instrument software/hardware Develop questionnaires
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Must be specific and measurable can users perform each task in < 30s? are users rating the interface at least a ‘3’ for overall satisfaction on a 5-point scale? can users complete the tasks? what content is
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This note was uploaded on 03/04/2012 for the course CS 465 taught by Professor Karahalios,k during the Fall '08 term at University of Illinois, Urbana Champaign.

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empirical-user-studies - Empirical User Studies Brian...

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