The story of how a man robbed two banks with lemon juice proved not only that it could be done, but also how incredibly wrong someone can be. This strange story triggered a very interesting research on how incompetent people cannot realize how little they actually know about almost anything. Tune in to learn about the Dunning-Kruger Effect!
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Sources: Dunning and Kruger: "Unskilled and Unaware" Journal of Personality and Social Psychology (2000). / David Dunning: "The Dunning-Kruger effect, Advances in Experimental Social Psychology" Elsevier (2011). / William Poundstone: "Head in the Cloud, Little", Brown and Co. (2016).