A 6-Hour Usability Test In An Agile Environment (Jeff Sauro)

In the fast-paced world of Agile development, where it's difficult to find time to get data from users, unmoderated remote testing gives us a way to quickly collect feedback on interface design. For example, I recently worked with a web-app product team to determine whether users find their new file manager easier to use than the previous one. (measuringu.com)