Measuring Usability
Quantitative Usability, Statistics & Six Sigma by Jeff Sauro

Measuring Errors in the User Experience

Measuring Errors in the User Experience

Jeff Sauro • May 15, 2012

Errors can be categorized as slips (like a typo) or a mistake (incorrect goal) and are common occurrences in usability tests. Errors are often caused by problems in an interface and lead to longer task times, higher task failure and lower satisfaction ratings. While errors can't be entirely eliminated, they can often be reduced substantially be reducing the opportunity for an error.[Read More]


5 Valuable Skills for UX Professionals

5 Valuable Skills for UX Professionals

Jeff Sauro • May 9, 2012

Regardless of whether you're more on the research side or more on the design side of the User Experience, here are five skills that will make you more valuable and effective in your job.[Read More]


MOD 1000

MOD 1000

Jeff Sauro • May 1, 2012

The MOD 1000 Mobile Observation Device is a lightweight rig for recording mobile screens and interactions for usability tests. The macro focused camera is mounted on a lightweight aluminum plate with a grip-tight surface. The image of the user's phone stays still while the user moves and manipulates their device instead of being confined to laying it flat on a desk. [Read More]


How to Conduct a Usability test on a Mobile Device

How to Conduct a Usability test on a Mobile Device

Jeff Sauro • May 1, 2012

When it comes to testing websites there are many unmoderated and moderated solutions. But if you've ever tried to evaluate an app or website on a mobile phone or tablet there are fewer options. Here's our solution.[Read More]


10 Things to Know about Net Promoter Scores and the User Experience

10 Things to Know about Net Promoter Scores and the User Experience

Jeff Sauro • April 24, 2012

Increasingly companies are adopting the Net Promoter Score as the corporate metric. All metrics, including user experience metrics should roll up to the Net Promoter Score. Here are 10 things to know about the Net Promoter Score if you're concerned about improving the user experience.[Read More]


6 Proportions to Compare when Improving the User Experience

6 Proportions to Compare when Improving the User Experience

• April 17, 2012

One of the simplest ways to measure any event is a binary metric coded as a 1 or 0. It's at the heart of computing and plays a critical role in user research.[Read More]

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About Jeff Sauro

About Jeff Sauro

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 3 books on statistics and the user-experience.
More about Jeff...