Category
page 2Cognitive biases
list of cognitive biases
Wikimedia list article
illusion of control
tendency for people to overestimate their ability to control events
illusory truth effect
tendency to believe false information when repeated
Ben Franklin effect
psychological phenomenon
law of the instrument
cognitive bias that involves an over-reliance on a familiar tool
spotlight effect
psychological phenomena
not invented here
dysfunctional institutional culture that eschews reusing products or ideas of external origin
déformation professionnelle
cognitive biases associated with occupations
endowment effect
the finding that people are more likely to retain an object they already own than to acquire that same object when they do not own it
selective perception
tendency not to notice stimuli that cause emotional discomfort and contradict prior beliefs
optimism bias
cognitive bias that causes someone to believe that they themselves are less likely to experience a negative event
social facilitation
improvement in individual performance when working with other people rather than alone
negativity bias
psychological phenomenon by which humans have a greater recall of unpleasant memories compared with positive memories
clustering illusion
The tendency to erroneously consider the inevitable streaks or clusters arising in small samples from random distributions to be non-random
superiority bias
cognitive bias wherein a person overestimates their own qualities and abilities
The Century of the Self
2002 film by Adam Curtis
subjective validation
a cognitive bias by which a person will consider a statement or another piece of information to be correct if it has any personal meaning or significance to them
Golem effect
phenomenon of low expectations of an individual and their effects in educational and organizational settings
planning fallacy
concept in behavioral economics that predictions about how much time will be needed to complete a future task display an optimism bias and underestimate the time needed
first impression
event when one person first encounters another person and forms a mental image of that person
depressive realism
hypothesis that depressed individuals make more realistic inferences than do non-depressed individuals
risk compensation
theory which suggests that people typically adjust their behavior in response to the perceived level of risk, becoming more careful where they sense greater risk and less careful if they feel more protected
attentional bias
the tendency for people's perception to be affected by their recurring thoughts at the time
contrast effect
perceptual effect of contrasting stimuli
cheerleader effect
psychological effect on perceptions of attractiveness

exaggeration
thumb|250px|right|1796 fashion caricature by Richard Newton (caricaturist)|Richard Newton parodying a woman's headdress, gown style and extra-slim tights using exaggeration
social perception
perception of other people and of social situations
out-group homogeneity
perception of out-group members as more similar to each other
in-group favoritism
pattern of favoring members of one's in-group over out-group members
psychological pricing
Behavioral economics theory that certain prices have a psychological impact
normalcy bias
tendency for people to believe that things will always function the way they normally have functioned and therefore to underestimate both the likelihood of a disaster and its possible effects
ostrich effect
attempt made by investors to avoid negative financial information
data dredging
use of data mining to uncover patterns in data that can be presented as statistically significant
outcome bias
an error made in evaluating the quality of a decision when the outcome of that decision is already known, instead of based on the quality of the decision at the time it was made, given what was known at that time
functional fixedness
cognitive bias

choice-supportive bias
the tendency to remember one's choices as better than they actually were
zero-sum thinking
cognitive bias of assuming the situation is a zero-sum game
hostile media effect
Theory of mass communication

omission bias
tendency to favor inaction over action, and to judge harmful action as worse than inaction
von Restorff effect
theory that when participants are presented with multiple homogeneous stimuli
cultural bias
interpreting and judging phenomena by standards inherent to one's own culture
ambiguity effect
the tendency to avoid options for which the probability of a favorable outcome is unknown
vaticinium ex eventu
prophecy written after the author already had information about the events being "foretold", so as to appear that the prophecy had taken place before the event, when in fact it was written after the events supposedly predicted
recall bias
type of cognitive bias
attribution bias
a cognitive bias that refers to the systematic errors made when people evaluate their own and others' behaviors
Illusion of transparency
psychological trait
self-defeating prophecy
a prediction that prevents what it predicts from happening
heuristics in judgment and decision making
simple strategies, rules or mental processes involved in making quick judgments or decisions
regression fallacy
argumentative fallacy
identifiable victim effect
tendency of individuals to offer greater aid when a specific, identifiable person is observed under hardship, as compared to a large, vaguely defined group with the same need
self-licensing
Self-licensing (also moral self-licensing, moral licensing, or licensing effect) is a term used in social psychology and marketing to describe the subconscious phenomenon whereby increased confidence and security in one's self-image or self-concept tends to make that individual worry less about the consequences of subsequent immoral behavior and, therefore, more likely to make immoral choices and act immorally. In simple terms, self-licensing occurs when people allow themselves to indulge after doing something positive first; for example, drinking a diet soda with a greasy hamburger and fries
rosy retrospection
tendency to view past events in a positive (often unrealistic) light
actor–observer asymmetry
cognitive bias where actors tend to attribute the causes of their behavior to stimuli inherent in the situation, while observers tend to attribute behavior to stable dispositions of the actor
Information cascade
behavioral phenomenon
authority bias
cognitive bias
boomerang effect
unintended consequences of an attempt to persuade resulting in the adoption of an opposing position instead
scope neglect
cognitive bias
Pratfall effect
Dependence of public acceptance of a person's mistakes on that person's ability
inequity aversion
preference for fairness and resistance to incidental inequalities
implicit stereotypes
unreflected, mistaken attributions to and descriptions of social groups