User interface design expert Billy Hollis is annoyed when he spots even tiny application tweaks that could improve the intuitive experience for users. He finds them everywhere, even in our favorite ...

Today, manufacturers routinely conduct summative (i.e., validation) usability tests to determine if their medical devices are safe to use “as is,” or if they require user interface design modification ...

We've been covering a lot of Google user interface tests but here is a look at a revamped Google Search desktop interface, including some of the tests we covered before. You see the new site links ...