Bear in mind that, in other countries, left and right do not always have the same meaning as they do in America.
From one of the "bibliography" articles linked on that site:
Does a low IQ make you right-wing? That depends on how you define left and right | Mail Online
Quote:
So case closed? Not really. The problem here is how we define left and right thinking, what this means socially and politically. A moments thought shows that the faultlines are not only blurred but they are legion, cris-crossing across traditional political strata and have changed through time.
As Steven Pinker points out in The Better Angels of our Nature, his marvellous book about the history of violence, social liberalism does not equate necessarily with economic socialism. He points to a study by the economist Bryan Caplan, an economist at George Mason University in Virginia, who found that smart people tend to think like economists, being in favour of free trade, globalisation and free markets and against protectionism and state intervention in industry. This matches other findings that show that IQ correlates not with left-wing thinking as such, but with classic Enlightenment liberalism.
So a smart person (all else being equal) will probably be in favour of capitalism generally, and free-trade in particular. He or she will distrust state intervention in the markets, probably be suspicious of welfarism and deeply dislike protectionism, union closed-shops and tariffs. The smart person will believe that the have-nots should be encouraged to become haves by dint of their own labours and by the levelling of economic playing fields, NOT by taking money off the haves and giving it to them. In other words, Thatcherism. Hardly something we equate with the left.
Hmmm...exceedingly little additional reading seems to have turned your point completely upside down, and shows the American left-wing to be the dim-witted ideologues that they would seem to be. The horror!
To help you save face, let me remind you of this cliche:
There are lies, damned lies, and statistics.