The bitter truth about PISA (big buzz now) and GDP...

According to this author the link is far more potent than previously thought by Lynn. it's a link with log(GDP)!

can you believe it?

An easily remembered relationship is obtained by considering the effect of a 10 point increase in IQ:

http://www.sciencedirect.com/science/article/pii/S0160289605001078#

IQ is measured as follows

 PISA scores are in keeping with IQ distribution over the world