Involving Users in Interface Evaluation
Outline
What is Usability?
Why do User Testing?
Two Main Approaches
Why Two Main Approaches?
Informal Study
Selecting Tasks
Choosing Participants
Deciding on Data to Collect
The “Thinking Aloud” Method
Thinking Aloud (cont.)
Ethical Considerations
User Test Proposal
Using the Test Results
Using the Results (cont.)
Measuring User Preference
Formal Usability Studies
Experiment Design
Interactions among Attributes
Special Considerations for Formal Studies with Human Participants
More Special Considerations
Between Groups vs. Within Groups
Summary
Email: hearst@sims.berkeley.edu
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