Jeff Sauro • December 21, 2010

Jeff Sauro is the founding principal of Measuring Usability LLC, a company providing statistics and usability consulting to
Fortune 1000 companies.
He is the author of over
15 journal articles and 4 books on statistics and the user-experience.
More about Jeff...
10 Things to Know About the System Usability Scale (SUS)
Measuring The Visual Appeal of Websites
A Brief History of the Magic Number 5 in Usability Testing
10 Things to Know about Usability Problems
Nine misconceptions about statistics and usability
Does better usability increase customer loyalty?
Confidence Interval Calculator for a Completion Rate
How to Conduct a Usability test on a Mobile Device
Should you use 5 or 7 point scales?
Why you only need to test with five users (explained)
What five users can tell you that 5000 cannot
8 Ways to Show Design Changes Improved the User Experience
How common are usability problems?
The Five Most Influential Papers in Usability
![]() | Quantifying the User Experience: Practical Statistics for User Research The most comprehensive statistical resource for UX Professionals (JUST RELEASED) Buy on Amazon |
![]() | Excel & R Companion to Quantifying the User Experience Detailed Steps to Solve over 100 Examples and Exercises in the Excel Calculator and R Buy on Amazon | Download |
![]() | A Practical Guide to the System Usability Scale Background, Benchmarks & Best Practices for the most popular usability questionnaire Buy on Amazon | Download |
![]() | A Practical Guide to Measuring Usability 72 Answers to the Most Common Questions about Quantifying the Usability of Websites and Software Buy on Amazon | Download |