Discount Usability Engineering
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Evaluation Techniques
What is Heuristic Evaluation?
Phases of Heuristic Evaluation
Heuristic Evaluation
Why Multiple Evaluators?
Heuristics (original)
How to Perform H.E.
Example Problem Descriptions
How to Perform Evaluation
Debriefing
Severity Rating
Severity Ratings (from Nielsen & Mack 94)
Severity Ratings Example
Results of Using HE
Results of Using HE (cont.)
Decreasing Returns
Summary of H.E.
Study by Jeffries et al. 91
Results of Study
Results of Study Problems Discovered
Time Required (in person-hours)
Average Severity Ratings
Benefit/Cost Ratios
HE vs. User Testing
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Email: hearst@sims.berkeley.edu
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