According to this article at Tim Worstall's excellent little boudoir, I would appear to be a functional psychopath.
Given that the test in question is staggeringly simple*, I suspect that this is just sociologists being jealous of those who have invested the time and effort to get a proper degree.
* You are invited to gamble £1 against the toss of a coin. If you guess correctly, you win £2.50; if not you forfeit your £1. You can choose not to play. Now in my book, I would play every time for winnings of anything over £2 against odds of exactly 2 to 1, no?