It should also be noted that IQ is five or more times as powerful a predictor as even good personality trait predictors such as conscientiousness. The true relationship between grades, for example, and IQ might be as high as r = .50 or even .60 (accounting for 25-36% of the variance in grades). Conscientiousness, however, probably tops out at around r = .30, and is more typically reported as r = .25 (say, 5 to 9% of the variance in grades). There is nothing that will provide you with a bigger advantage in life than a high IQ. Nothing. To repeat it: NOTHING. 😎

PS And EQ is not a thing. 😛