It really doesn't say much -- very successful .. manipulative .. no emotion .. the last 2 are quite subjective, quite common too.<p>There was an article on this topic some time back. Much more elaborate. Someone had done many years of study and came out with the conclusion that there are a large number of psychopaths. Even at home we could have relatives who are "sub-clinical psychopaths". He devised a test, but iirc, he advised others not to follow it, or to take its results seriously. However, it seems people have been using it while recruiting.
I can recommend "The Sociopath Next Door":<p><a href="http://www.amazon.com/Sociopath-Next-Door-Martha-Stout/dp/0767915828" rel="nofollow">http://www.amazon.com/Sociopath-Next-Door-Martha-Stout/dp/07...</a>
The core of a sociopath—no empathy, no conscience and desiring only power, control and sex.<p><a href="http://www.lovefraud.com/blog/2010/05/10/what-sociopaths-want-power-control-and-sex/" rel="nofollow">http://www.lovefraud.com/blog/2010/05/10/what-sociopaths-wan...</a>
I once got a new manager and found that he is a psycho. So I loose my job and other managers started loosing her jobs because of his manipulation. This story did not ended yet.