Background : “IQ” is a stale test meant to measure mental capacity but in fact mostly measures extreme unintelligence (learning difficulties), as well as, to a lesser extent, a form of intelligence, stripped of 2nd order effects. It is via negativa not via positiva. It is meant to select exam-takers, paper shufflers, obedient IYIs (intellectuals yet idiots), ill adapted for “real life”. The test is poorly thought out mathematically (a severe flaw in correlation under fat tails), and seemed to be promoted by…

IQ is largely a pseudoscientific swindle