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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.
Another example is that the value people place on a change in probability (e.g., of winning something) depends on the reference point: people seem to place greater value on a change from 0% to 10% (going from impossibility to possibility) than from, say, 45% to 55%, and they place the greatest value of all on a change from 90% to 100% (going ...
[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 ...
Many behaviors of humans have been observed, investigated and named, and overconfidence is no exception. People who think a little too highly of themselves are known to experience overconfidence bias.
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:
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".
Seeing Like a State: How Certain Schemes to Improve the Human Condition Have Failed is a book by James C. Scott critical of a system of beliefs he calls high modernism, that centers on governments' overconfidence in the ability to design and operate society in accordance with purported scientific laws. [1] [2] [3]