heuristic-evaluation - Heuristic Evaluation Brian Bailey...

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Heuristic Evaluation Brian Bailey
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Announcements Paper prototypes due Next week Friday first round of evaluation results due HW 2 due
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Recap Project day
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Heuristic Evaluation* An inspection-based technique for identifying usability problems in UIs Good cost / benefit tradeoff *[Nielsen and Mohlich, 1990]
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Four Phases Training Evaluation Rating Debriefing
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Training Phase Teach heuristics to evaluators Learn about interface and domain leverage user and task scenarios
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Evaluation Phase Several independent evaluators use full set of heuristics work alone Apply heuristics describe problems (what, why, severity, fix) not a blindfold
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Rating Phase Rate severity of problems allocate resources estimate need for more testing Use standard scale
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Severity Ratings 4 – usability catastrophe 3 – major usability problem 2 – minor usability problem 1 – cosmetic problem only 0 – this is not a usability problem Combination of frequency and impact
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Debriefing Aggregate and debate Devise design solutions Broad re-designs may be required
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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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heuristic-evaluation - Heuristic Evaluation Brian Bailey...

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