And so, you can do hundreds and hundreds of studies showing a general factor and just so long as you restrict your populations, your testing materials and the kinds of situations you look at, you can keep finding the same wrong thing again and again.
And in order to succeed in later life, you need creative skills because look at how fast the world is changing.
ACT and SAT each have their own parts of the country. The GRE has its lock on graduate admissions. And so, one could blame the companies, but really, economically, they have no incentive to change things very much because they're getting the business.
In other words, the better they did on the IQ test, the worse they did on the practical test and the better they did on the practical tests, the worse they did on the IQ test.