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The overconfidence effect is a well-established bias in which a person's subjective confidence in their judgments is reliably greater than the objective accuracy of those judgments, especially when confidence is relatively high. [1] [2] Overconfidence is one example of a miscalibration of subjective probabilities.
Illustration for John Milton's Paradise Lost by Gustave Doré (1866). The spiritual descent of Lucifer into Satan, one of the most famous examples of hubris.. Hubris (/ ˈ h juː b r ɪ s /; from Ancient Greek ὕβρις (húbris) 'pride, insolence, outrage'), or less frequently hybris (/ ˈ h aɪ b r ɪ s /), [1] describes a personality quality of extreme or excessive pride [2] or dangerous ...
Victory disease occurs in military history when complacency or arrogance, brought on by a victory or a series of victories, makes an engagement end disastrously for a commander and his forces. [1] A commander may disdain the enemy, and believe his own invincibility, leading his troops to disaster.
The myth that Columbus proved the Earth was round was propagated by authors like Washington Irving in A History of the Life and Voyages of Christopher Columbus. [31] Columbus was not the first European to visit the Americas: [35] Leif Erikson, and possibly other Vikings before him, explored Vinland, an area of coastal North America.
The subjects filled in the answers they believed to be correct and rated how sure they were of them. The results showed subjects tend to be under-confident of their answers to questions designated by the experimenters as to be easy, and overconfident of their answers to questions designated as hard.
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The Avoidable War: The Dangers of a Catastrophic Conflict between the US and Xi Jinping's China is a non-fiction book by Kevin Rudd, the former prime minister of Australia. Overview and content [ edit ]
Overconfidence effect, a tendency to have excessive confidence in one's own answers to questions. For example, for certain types of questions, answers that people rate as "99% certain" turn out to be wrong 40% of the time. [5] [44] [45] [46] Planning fallacy, the tendency for people to underestimate the time it will take them to complete a ...