The Dunning Kruger effect is talked about a lot on here. More recent research casts doubt on their original study. I first heard about this on [Overcoming Bias

The Dunning Kruger effect is talked about a lot on here. More recent research casts doubt on their original study. I first heard about this on [Overcoming Bias] where they talk about a 2006 study which showed "on difficult tasks, where there is a negative bias, the worst performers are the most accurate" [Overcoming Bias]: http://www.overcomingbias.com/2008/11/all-are-unaware.html http://www.overcomingbias.com/2008/11/all-are-unaware.html