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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.
[6] For example, the representativeness heuristic is defined as "The tendency to judge the frequency or likelihood" of an occurrence by the extent of which the event "resembles the typical case." [13] The "Linda Problem" illustrates the representativeness heuristic (Tversky & Kahneman, 1983 [14]). Participants were given a description of "Linda ...
Image credits: PerhapsNotMaybeSo A great example of this most of us can relate to is students overestimating how quickly they can finish an assignment. After realizing the task takes longer than ...
They argued that "the hard-easy effect has been interpreted with insufficient attention to the scale-end effects, the linear dependency, and the regression effects in data, and that the continued adherence to the idea of a 'cognitive overconfidence bias' is mediated by selective attention to particular data sets".
Overconfidence is a very serious problem, but you probably think it doesn't affect you. That's the tricky thing with overconfidence: The people who are most overconfident are the ones least likely ...
Why You Need to Do Your Research There are other takeaways from this study and others that can have a bearing on how you interpret professional advice and whether or not to act on it. For example:
In a 2011 article, Kahneman recounted the story of his discovery of the illusion of validity. After completing an undergraduate psychology degree and spending a year as an infantry officer in the Israeli Army, he was assigned to the army's Psychology Branch, where he helped evaluate candidates for officer training using a test called the Leaderless Group Challenge.
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