So as you get older, your potential to earn increases  Now in this case, because age is increasing and income is increasing, I E they're getting bigger together, it's said that there's a positive correlation  In the case of reaction time  and intelligence quotient, as reaction time gets bigger I E gets worse  I Q increases, so in fact many people would say that their in I Q and R T are negatively correlated in the sense of as your I Q gets better, your reaction time gets worse.