While aptitude correlates with aptitude, at a given level of accomplishment they may be anti-correlated due to Berkson's paradox[1]. [1]https://en.wikipedia.or

While aptitude correlates with aptitude, at a given level of accomplishment they may be anti-correlated due to Berkson's paradox[1]. [1]https://en.wikipedia.org/wiki/Berkson%27s_paradox https://en.wikipedia.org/wiki/Berkson%27s_paradox