How to Remind People That Juggling Is More Complicated Than They Think

Ed wanted to know if there was a way to keep people from falling prey to the illusion of over confidence. To test this, he had three groups of volunteers watch a short video of some one juggling with bowling pins and then told everyone that they would be asked to juggle too. He gave each group different kinds of information about juggling, like the weight and dimensions of a bowling pin. But in one group, he had volunteers actually hold the bowling pin for one minute. They didn't juggle it, they just held it. Would giving people this tiny taste of juggling make them better at predicting how difficult ha task would be? The answer was yes. All someone needed was that one minute