That said, Mr Nielsen knows a lot about user experience.  More importantly, Mr Nielsen spends a lot of time researching user behavior. It is this constant research and analysis that provides useful information to our community. My favorite study ever done was the eyetracking survey done several years ago. I still refer to it often when explaining to clients and even new designers how to approach information design of a specific screen. We have split seconds to do a few things as the user scan ...