Description
Book SynopsisTrade Review"I will use this second edition as a reference when I need to find the latest thinking about UX measurement and when I teach statistics again it will be my first choice." --From the foreword by Joe Dumas, User Experience Consultant "Sauro and Lewis are the acknowledged leaders in the quantitative assessment of usability, and their combined wisdom is ably reflected in the second edition of this book. Serious practitioners of usability science will find this book a valuable addition to the highly qualitative texts that are currently available." --Philip Kortum, Rice University "To-Do list for the UX Field to become a true discipline: • Develop a rich collection of user-centered design methods [CHECK].• Drive understanding of the importance of UX into most design/development teams [CHECK]. • Advocate for and educate about how to implement a serious, empirical, practical approach to gathering and analyzing user data. [Thanks to the career-long work of Sauro and Lewis, culminating in this book, we can now say . . . CHECK.]" – Randolph G. Bias, Professor, School of Information, The University of Texas at Austin
Table of Contents1. Introduction and How to Use This Book 2. Quantifying User Research 3. How Precise Are Our Estimates? Confidence Intervals4. Did We Meet or Exceed Our Goal? 5. Is There a Statistical Difference between Designs?6. What Sample Sizes Do We Need? Part 1: Summative Studies 7. What Sample Sizes Do We Need? Part 2: Formative Studies 8. Standard Usability Questionnaires 9. Six Enduring Controversies in Measurement and Statistics10. Correlation, Regression, and the Analysis of Variance 11. Wrapping Up