Thomas Tullis
American usability and user experience researcher and author, best known for co-authoring Measuring the User Experience and for leading UX research at Fidelity Investments.
Books
This list of books are ONLY the books that have been ranked on the lists that are aggregated on this site. This is not a comprehensive list of all books by this author.
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1. Measuring The User Experience
Collecting, Analyzing, and Presenting Usability Metrics
A practical guide to quantifying user experience, it explains how to plan studies, choose meaningful metrics (such as task success, time on task, errors, and satisfaction), collect reliable data, and apply statistical techniques like confidence intervals and significance testing. It covers usability testing, surveys, and online research; benchmarking across products and releases; determining sample sizes; and creating clear visualizations and reports. Real-world examples and best practices show how to translate findings into actionable recommendations and communicate results effectively to stakeholders.