Jeff Sauro • May 30, 2008

Use this calculator to generate both a one-sample confidence interval and to test against a critera or benchmark.The New Face of Usability Testing

7 Techniques for Prioritizing Customer Requirements

How to Compute a Confidence Interval in 5 Easy Steps

The Experiment Requires That You Continue: On The Ethical Treatment of Users

What five users can tell you that 5000 cannot

How to Conduct a Usability test on a Mobile Device

Why you only need to test with five users (explained)

10 Things to Know about Usability Problems

The Five Most Influential Papers in Usability

97 Things to Know about Usability

8 Ways to Show Design Changes Improved the User Experience

Nine misconceptions about statistics and usability

A Brief History of the Magic Number 5 in Usability Testing

5 Examples of Quantifying Qualitative Data

Does better usability increase customer loyalty?

Confidence Interval Calculator for a Completion Rate

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Quantifying the User Experience: Practical Statistics for User ResearchThe most comprehensive statistical resource for UX Professionals Buy on Amazon | |

Excel & R Companion to Quantifying the User ExperienceDetailed 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 ScaleBackground, Benchmarks & Best Practices for the most popular usability questionnaire Buy on Amazon | Download | |

A Practical Guide to Measuring Usability72 Answers to the Most Common Questions about Quantifying the Usability of Websites and Software Buy on Amazon | Download |

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