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Cognitive biases are systematic patterns of deviation from norm and/or rationality in judgment. They are often studied in psychology, sociology and behavioral economics. [1] Although the reality of most of these biases is confirmed by reproducible research, [2] [3] there are often controversies about how to classify these biases or how to ...
In the field of psychology, cognitive dissonance is described as the mental phenomenon of people existing with unwittingly and fundamentally conflicting cognition. [1] Being confronted by situations that challenge this dissonance may ultimately result in some change in their cognitions or actions to cause greater alignment between them so as to reduce this dissonance. [2]
The theory of cognitive dissonance proposes that people have a motivational drive to reduce dissonance. Choice-supportive bias is potentially related to the aspect of cognitive dissonance explored by Jack Brehm (1956) as postdecisional dissonance. Within the context of cognitive dissonance, choice-supportive bias would be seen as reducing the ...
Once dissonance is increased sufficiently, an individual may bring himself to change, hence eliminating all dissonance (Festinger 1957, pp. 127–131). The reduction in cognitive dissonance following a decision can be achieved by selectively looking for decision-consonant information and avoiding contradictory information. The objective is to ...
A continually evolving list of cognitive biases has been identified over the last six decades of research on human judgment and decision-making in cognitive science, social psychology, and behavioral economics. The study of cognitive biases has practical implications for areas including clinical judgment, entrepreneurship, finance, and management.
Research on attribution biases is founded in attribution theory, which was proposed to explain why and how people create meaning about others' and their own behavior. This theory focuses on identifying how an observer uses information in his/her social environment in order to create a causal explanation for events.
There are few studies explicitly linking cognitive biases to real-world incidents with highly negative outcomes. Examples: One study [11] explicitly focused on cognitive bias as a potential contributor to a disaster-level event; this study examined the causes of the loss of several members of two expedition teams on Mount Everest on two consecutive days in 1996.
Cognitive explanations for confirmation bias are based on limitations in people's ability to handle complex tasks, and the shortcuts, called heuristics, that they use. [68] For example, people may judge the reliability of evidence by using the availability heuristic that is, how readily a particular idea comes to mind. [69]