Jerry Cao is a content strategist at UXPin — a wireframing and prototyping app with built-in usability testing — where he develops in-app and online content for the wireframing and prototyping ...

Open-source software developers have created an array of amazing programs that provide a great working environment with rich functionality. At work and at home, I routinely run Linux on my desktop, ...

Jerry Cao is a UX content strategist at the wireframing and prototyping app UXPin. For advice on how to conduct 30+ different types of usability tests, check out The Guide to Usability Testing.

Have you either observed or perhaps even conducted a summative usability test of a medical device? If so, you have undoubtedly witnessed a use error—an instance when a test participant made a mistake ...