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June 2006 Contents

Articles

Why a Completion Rate is Better with a Confidence Interval
You just ran an 8 participant usability test and watched as 7 out of 8 users completed a task to provide an 87.5% completion rate. You need to summarize your findings in a test report, and you’ve heard that you should include confidence intervals. But what exactly do confidence intervals do that the completion rate cannot?

By Jeff Sauro

Projects and Events

2005 UPA Member and Salary Survey
Are you curious about your colleagues' salaries? Job titles? Do you wonder what methods your colleagues use? The Usability Professionals' Association periodically surveys the membership and others in the user experience field to learn more about who we are, where we work and what we do.

By Paul Sherman

Thumbnails

Thumbnail: Carolyn Snyder
Carolyn Snyder is into paper. Her book Paper Prototyping: The Fast and Easy Way to Design and Refine User Interfaces is considered the first and last word on the subject. She has been doing paper prototyping for almost 15 years, still does a third of her usability tests with paper, and teaches regularly on the topic. There is, however, a lot more to Carolyn than just paper prototyping.

By Cliff Anderson

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