Why Do Stupid People Think They're Smart? The Dunning Kruger Effect (animated)
The Dunning-Kruger effect can be observed during talent shows like American Idol. The auditions are usually filled with a variety of good and bad singers. The ones who are bad at it, almost never realize how bad they really are.
Low ability people do not possess the skills needed to recognize their own incompetence or lack of knowledge. Their poor self-awareness leads them to overestimate their own capabilities.
However when you become more knowledgeable about a certain topic, that confidence falls. Only when you start to reach above average skill, is when the your confidence about a certain topic starts to pick up again.
But why? Why does being less skilled make you more confident in your abilities?