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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.
Illusory superiority is one of many positive illusions, relating to the self, that are evident in the study of intelligence, the effective performance of tasks and tests, and the possession of desirable personal characteristics and personality traits. Overestimation of abilities compared to an objective measure is known as the overconfidence ...
This study concluded that several cognitive biases were 'in play' on the mountain, along with other human dynamics. This was a case of highly trained, experienced people breaking their own rules, apparently under the influence of the overconfidence effect, the sunk cost fallacy, the availability heuristic, and perhaps other cognitive biases ...
One study showed the connection between cognitive bias, specifically approach bias, and inhibitory control on how much unhealthy snack food a person would eat. [37] They found that the participants who ate more of the unhealthy snack food, tended to have less inhibitory control and more reliance on approach bias.
New research suggests that exposure to fluoride during pregnancy could be linked to behavioral issues in children.
Some researchers include a metacognitive component in their definition. In this view, the Dunning–Kruger effect is the thesis that those who are incompetent in a given area tend to be ignorant of their incompetence, i.e., they lack the metacognitive ability to become aware of their incompetence.
Confirmation bias (also confirmatory bias, myside bias [a] or congeniality bias [2]) is the tendency to search for, interpret, favor and recall information in a way that confirms or supports one's prior beliefs or values. [3]
A 2009 study concluded "that all types of judges exhibit the hard-easy effect in almost all realistic situations", and that the presence of the effect "cannot be used to distinguish between judges or to draw support for specific models of confidence elicitation". [5] The hard-easy effect manifests itself regardless of personality differences. [2]