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Measuring the User Experience: Collecting, Analyzing, and Presenting Usability Metrics (Second Edition)
Tom Tullis & Bill Albert
Elsevier Science and Technology Books. Publication date: July 2013.
Publication year: 2013
Beyond the Usability Lab: Conducting Large-scale Online User Experience Studies
Bill Albert, Tom Tullis, & Donna Tedesco
Elsevier Science and Technology Books. Publication date: January 2010.
Publication year: 2010