Dunning-Kruger Effect
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Dunning-Kruger Effect
The Dunning-Kruger Effect is a psychological phenomenon that occurs when people with low ability or knowledge in a particular area overestimate their competence and expertise. This cognitive bias was first identified by David Dunning and Justin Kruger in 1999, who found that individuals who scored in the bottom quartile on tests of humor, grammar, and logic tended to significantly overestimate their performance while also underestimating the performance of others. The Dunning-Kruger Effect is often observed in people who lack the skills or knowledge necessary to accurately evaluate their own abilities. This can lead to a false sense of confidence and an inability to recognize one's own limitations. In some cases, individuals may even be completely unaware of their own incompetence. One of the key features of the Dunning-Kruger Effect is that people who are affected by it are often unable to recognize their own lack of knowledge or ability. This can make it difficult for them to learn and improve, as they are not aware of their own shortcomings. In addition, individuals who are overconfident in their abilities may be more likely to take risks or make poor decisions, which can have negative consequences for themselves and others. Overall, the Dunning-Kruger Effect is a cognitive bias that can have significant implications for individuals and society as a whole. By understanding this phenomenon, we can work to improve our own self-awareness and avoid the negative consequences of overconfidence and incompetence.
cognitive bias, self-awareness, overconfidence, incompetence, knowledge
CITATION : "Christopher Jones. 'Dunning-Kruger Effect.' Design+Encyclopedia. https://design-encyclopedia.com/define/dunning-kruger-effect?E=354326 (Accessed on October 14, 2026)"
Dunning-Kruger Effect
The Dunning-Kruger Effect is a type of cognitive bias that happens when people overestimate their skills and knowledge. This means they think they know more than they really do and they don't realize they don't understand something. It can lead to people making bad decisions because they think they know more than they do.
Overconfidence, illusory superiority, ego-inflation, miscalibration, incompetence blindness, false expertise.
Dunning-Kruger Effect
The Dunning-Kruger Effect is a cognitive bias in which individuals mistakenly overestimate their own knowledge and abilities due to their own lack of awareness and understanding. This phenomenon was first identified by David Dunning and Justin Kruger in 1999 and has since been studied in various fields including psychology, philosophy, and economics. The effect is based on the idea that a person's incompetence can lead them to overestimate their own ability and underestimate the abilities of others. People affected by this bias often display overconfidence and lack of awareness, believing that their own ideas or opinions are correct or superior to those of others. As a result, they may make poor decisions or take unnecessary risks based on their own overestimation of their abilities.
Related terms: Self-enhancement bias, illusory superiority, cognitive dissonance, confirmation bias.
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