Research into the human mind is a very important area to stay informed on.
Over on Sparring Mind, I discuss the relation between social psychology and content marketing for startups (That tie-in is very obvious, as psychology is directly related to popular content).
The thing is, many psych studies can actually serve as an amazing resource for web designers as well, because they can give some insight on how the human mind works (and how it interacts with websites).
Here are 5 such studies that will give you some solid research on smart web design.
See on inspiredm.com