> It just turns out that whatever IQ does measure correlates heavily with income Yes, also with high job performance. Actually, IQ correlates with income regar

> It just turns out that whatever IQ does measure correlates heavily with income Yes, also with high job performance. Actually, IQ correlates with income regardless of family background. That's exactly why it's useful. I tried to pry the source from JSTOR but failed miserably so here's a crappy pdf copy of "Income Inequality and IQ" http://www.aei.org/book/society-and-culture/citizenship/income-inequality-and-iq/ http://www.aei.org/book/society-and-culture/citizenship/inco...