Dunning-Kruger Syndrome, 2

The corollary to the Dunning–Kruger effect indicates that persons of high ability tend to underestimate their relative competence, and erroneously presume that tasks that are easy for them to perform also are easy for other people to perform. According to an article by Dunning and Kruger, "Unskilled and Unaware of It: How Difficulties in Recognizing One's Own Incompetence Lead to Inflated Self-Assessments" published in the Journal of Personality and Social Psychology [77 (6): 1121–34]: the cognitive bias of illusory superiority results from an internal illusion in people of low ability and from an external misperception in people of high ability; that is, the miscalibration of the incompetent stems from an error about the self, whereas the miscalibration of the highly competent stems from an error about others. More tomorrow.