It turns out the determining factor as to whether the 30 cadets within a squadron improved was the motivation of the least fit person in the group. If the least fit person was motivated to improve, then his enthusiasm spread and everyone improved. If, on the other hand, the least fit person was apathetic or, worse, negative, he dragged everyone down. Just like diseases easily spread through tight-knit groups, so does motivation. And it’s quite contagious.
