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Uploaded on Jul 17, 2009
Have you ever wondered why incompetent people tend to over estimate their ability? People with little knowledge about particular subjects tend to, firstly, not recognize their lack of knowledge, and secondly, not be able to recognize expertise in others. Research by Dunning and Kruger found a remarkable link between incompetence and confidence. He also explores the Lake Wobegon effect, the phenomenon that people tend to overestimate their own abilities.