Justin Kruger
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| Born |
California, U.S.
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| Nationality | American |
| Education | Santa Clara University (BS) Durham University Cornell University (PhD) |
| Occupation(s) | Psychologist, professor |
| Known for | Dunning–Kruger effect |
| Scientific career | |
| Fields | Psychology |
| Thesis | Egocentrism in self and social judgment (1999) |
| Doctoral advisor | Thomas Gilovich |
Justin S. Kruger is an American social psychologist and professor at New York University Stern School of Business.[1][2]
Kruger received his BSinPsychology from Santa Clara University in 1993 (spending his junior year at Durham University, England), and received his PhD in Social Psychology from Cornell University in 1999.[1][2]
Kruger is known for co-authoring a 1999 study[3] with David Dunning.[4]
The Dunning-Kruger effect, a cognitive bias, suggests that poor performers often overestimate their abilities, while skilled individuals tend to underestimate their abilities.[5] This study showed that people who performed in the lowest at certain tasks, such as judging humor, grammar, and logic, significantly overestimated how good they were at these tasks. This study has since given rise to what is known as the Dunning–Kruger effect, a form of cognitive bias where persons with low ability in a particular task experience a sense of illusory superiority.[6] The study also found that people who performed slightly above average at identifying how funny a given joke was tended to be the most accurate at assessing how good they were at the assigned tasks, and that those who performed the best tended to think they performed only slightly above average.[7]
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