On the Effect of Coaching

[Dam8610]

Originally Posted by DrSpaceman

And he is not really looking at individual teams in this and the impact of a coach, just at numbers in general and trying to argue a coach has little impact overall based on variance vs the norm. His reasoning is poor and not even logical.

The reasoning is logical even if you disagree with it. If players and random chance eat up most of the variance in results, then there isn't much left for coaching to have an impact. The argument is logically sound, even if you don't agree with one or more of the premises or the conclusion.