The three conditions:<p>- some regularity that can be learned<p>- lots of practice<p>- rapid or immediate feedback<p>Chess players and married couples are the two provided examples that meet these criteria. Curious to see if other situations come to mind that either support or disprove this idea.
Well, his intuition was wrong too, since the papers he based "Thinking, Fast and Slow" on turned out to be debunked, non reproducible crap...