The Dunning-Kruger Effect Shows Incompetent People Cannot Recognize Their Incompetence
A graph showing confidence on the y-axis and knowledge on the x-axis, with a peak of confidence at low knowledge and a valley at moderate knowledge
People with low ability in a domain tend to dramatically overestimate their competence, while experts tend to underestimate theirs. The very skills needed to produce correct judgments are the same skills needed to recognize what correct judgments look like.
Why Itβs Interesting
It creates a paradox where the least qualified people are often the most confident, and the most qualified are plagued by doubt. This explains everything from bad drivers who think they are great to novice investors who are certain they will beat the market.
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