Thanks for a good answer. Sorry to have been unclear. My point was that to me it seems clear that IQ tests do measure something outside of previous exposure or

Thanks for a good answer. Sorry to have been unclear. My point was that to me it seems clear that IQ tests do measure something outside of previous exposure or training. IIRC most people will not manage to get 125 (just a number) on a well-designed test even if they are allowed to prepare with the exact same type of questions or even get trained for them.