From the site:
“We’ve developed a new kind of personality test which is free, fun, fast and accurate. Our test has been designed by a team of professional psychologists. It employs innovative answering techniques, allowing for increased accuracy and an enjoyable process.”
I liked very much the interface of some questions: there was a tank full of liquid, which you had to empty while distributing its content to branches corresponding to different statements. This way it was easier for me to decide how to split the 100% between available options.
After taking the test, you can display the result on your site, with the help of the automatically generated code, very simple to copy and paste in your blog layout.
There is also a social component, called “Psych You / Psych Me!”, which makes it possible for you to assess your friends, or to ask your friends to assess you. Thus you can find out how much your perception about yourself is similar to the way others see you.