> A lazy person with a high IQ will probably not get very far in the world, neither will one that suffers from crippling depression or anxiety. These factors s

> A lazy person with a high IQ will probably not get very far in the world, neither will one that suffers from crippling depression or anxiety. These factors seriously decrease the quality of IQ's predictive power, IMO. If you need to attach asterisks to an IQ assessment for a weakly-performing individual ("high IQ but lazy") then I wonder if IQ is the right measurement for that kind of criteria. Yes there is correlation between high IQ and hardcore nerdy professions but that does not mean the two are conclusively, 1.0-correlation linked.