Dan Ariely isn't a mere pop-sci author, but holds a Ph.D. (1996) in cognitive psychology from the University of North Carolina at Chapel Hill. The general shap

Dan Ariely isn't a mere pop-sci author, but holds a Ph.D. (1996) in cognitive psychology from the University of North Carolina at Chapel Hill. The general shape of Ericsson's research https://en.wikipedia.org/wiki/K._Anders_Ericsson https://en.wikipedia.org/wiki/K._Anders_Ericsson is that other than height, vocal cord size, and body build, EVERYTHING can be improved with training. That means: a high IQ only means you can do something new decently well the first time. Once people start learning & practicing, the IQ isn't the deciding factor.