> Will the results be correlated? Of course, some people are more athletic than others. Does that mean there's a quantity called 'athleticism' that we can objec

> Will the results be correlated? Of course, some people are more athletic than others. Does that mean there's a quantity called 'athleticism' that we can objectively measure with a number? No Admittedly I haven't really studied statistics, but can't you do something like measure those abilities for a population, do a PCA, and define athleticism to be the first principal component?