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be overly optimistic about the usefulness of an invention or innovation for society, while often failing to identify its limitations and drawbacks.
| Name | Type | Description |
|---|---|---|
| Actor-observer bias | Attribution bias | The tendency, in explaining other people's behaviour, to overemphasize the influence of their personality and underestimate the influence of their situation (fundamental attribution error), and in explaining one's own behaviour, to do the opposite (that is, to overemphasize the influence of our situation and underestimate the influence of our own personality). |
| Authority bias | Association fallacy | The tendency to attribute greater accuracy to the opinion of an authority figure (unrelated to its content) and to be more influenced by that opinion. |
| Availability cascade | Conformity bias | A self-reinforcing process in which a collective belief gains more and more plausibility through its increasing repetition in public discourse (or “repeat something long enough and it will become true”). |
| Bandwagon effect | Conformity bias | The tendency to do (or believe) things because many other people do (or believe) the same. Related to groupthink and herd behaviour. |
| Ben Franklin effect | Cognitive dissonance | A person who has done someone a favour is more likely to do that person another favour than if they had received a favour from that person. |
| Bias blind spot | Egocentric bias | The tendency to see oneself as less biased than other people, or to be able to identify more cognitive biases in others than in oneself. |
| Cheerleader effect | Association fallacy | The tendency for people to appear more attractive in a group than in isolation. |
| Politeness bias | Conformity bias | The tendency to voice an opinion that is more socially correct than one's true opinion, so as not to offend anyone. |
| Defensive attribution hypothesis | Egocentric bias | Attributing greater blame to a harm-doer as the outcome becomes more severe, or as personal or situational similarity to the victim increases. |
| Egocentric bias | Egocentric bias | Occurs when people claim more responsibility for the results of a joint action than an outside observer would credit them with. |
| Extrinsic incentive bias | Attribution bias | An exception to the fundamental attribution error, when people view others as having (situational) extrinsic motivations and (dispositional) intrinsic motivations for oneself. |
| False consensus effect | Egocentric bias | The tendency for people to overestimate the degree to which others agree with them. |
| False uniqueness bias | Egocentric bias | The tendency for people to see their projects and themselves as more unique than they actually are. |
| Fundamental attribution error | Attribution bias | The tendency for people to overemphasize personality-based explanations for behaviours observed in others, while underestimating the role and power of situational influences on the same behaviour (actor-observer bias, group attribution error, positivity effect, and negativity effect). |
| Group attribution error | The biased belief that the characteristics of an individual group member reflect the group as a whole, or the tendency to assume that the outcomes of a group's decisions reflect the preferences of the group's members, even when information is available that clearly suggests otherwise. | |
| Groupthink | Conformity bias | A psychological phenomenon that occurs within a group of people in which the desire for harmony or conformity in the group results in an irrational or dysfunctional decision-making outcome. Group members try to minimize conflict and reach a consensus decision without critical evaluation of alternative viewpoints, by actively suppressing dissent and isolating themselves from outside influence. |
| Halo effect | Association fallacy | The tendency for a person's positive or negative traits to “spill over” from one area of their personality to another in others' perceptions of them (physical attractiveness stereotype). |
| Hostile attribution bias | Attribution bias | The “hostile attribution bias” is the tendency to interpret others' behaviour as having hostile intent, even when the behaviour is ambiguous or benign. |
| Illusion of asymmetric insight | Egocentric bias | People perceive their knowledge of their peers to surpass their peers' knowledge of them. |
| Illusion of transparency | Egocentric bias | The tendency for people to overestimate the degree to which their personal mental state is known by others, and to overestimate how well they understand others' personal mental states. |
| Illusory superiority | Egocentric bias | Overestimating one's desirable qualities and underestimating undesirable qualities, relative to other people. (Also known as the “Lake Wobegon effect”, the “above-average effect”, or the superiority bias.) |
| In-group bias | In-group bias | The tendency for people to favour others whom they perceive to be members of their own groups. |
| Intentionality bias | Attribution bias | The tendency to regard human actions as intentional rather than accidental. |
| Just-world hypothesis | Attribution bias | The tendency for people to believe that the world is fundamentally just, causing them to rationalize otherwise inexplicable injustice as deserved by the victim(s). |
| Moral luck | Attribution bias | The tendency for people to ascribe greater or lesser moral standing based on the outcome of an event. |
| Naive cynicism | Egocentric bias | Expecting greater egocentric bias in others than in oneself. |
| Naive realism | Egocentric bias | The belief that we see reality as it truly is — objectively and without bias; that facts are plain for everyone to see; that rational people will agree with us; and that those who do not are either uninformed, lazy, irrational, or biased. |
| Not invented here | In-group bias | Aversion to contact with or use of products, research, standards, or knowledge developed outside a group. Related to the IKEA effect. |
| Out-group homogeneity bias | In-group bias | Individuals see members of their own group as relatively more varied than members of other groups. |
| Puritanical bias | Attribution bias | Refers to the tendency to attribute the cause of an undesirable outcome or wrongdoing by a person to a moral failing or lack of self-control, rather than considering the impact of broader social determinants. |
| Pygmalion effect | A phenomenon whereby other people's expectations of a target person affect that person's performance. | |
| Reactance | The urge to do the opposite of what someone wants you to do, out of a need to resist a perceived attempt to constrain your freedom of choice (reverse psychology). | |
| Reactive devaluation | Devaluing proposals only because they purportedly originated from an adversary. | |
| Self-serving bias | Attribution bias | The tendency to claim more responsibility for successes than for failures. It may also manifest itself as a tendency for people to evaluate ambiguous information in a way beneficial to their interests (group-serving bias). |
| Sexual overperception bias / sexual underperception bias | False priors | The tendency to overestimate/underestimate the sexual interest of another person in oneself. |
| Social comparison bias | The tendency, when making decisions, to favour potential candidates who do not compete with one's own particular strengths. | |
| Social desirability bias | Conformity bias | The tendency to overestimate socially desirable characteristics or behaviours in oneself and underestimate socially undesirable characteristics or behaviours. (Politeness bias.) |
| Shared information bias | Known as the tendency for group members to spend more time and energy discussing information that all members are already familiar with (i.e. shared information), and less time and energy discussing information that only some members know (i.e. unshared information). | |
| Trait ascription bias | Egocentric bias | The tendency for people to view themselves as relatively variable in terms of personality, behaviour, and mood, while viewing others as much more predictable. |
| Third-person effect | Egocentric bias | A perceived tendency to believe that mass-media messages have a greater effect on others than on oneself. As of 2020, the third-person effect has yet to be reliably demonstrated in a scientific context. |
| Ultimate attribution error | Attribution bias | Similar to the fundamental attribution error, in this error a person is likely to make an internal attribution to an entire group rather than to individuals within the group. |
| Worse-than-average effect | The tendency to believe that we perform worse than others at difficult tasks. |
In psychology and cognitive science, a memory bias is a cognitive bias that either enhances or impairs the recall of a memory (either the chances that the memory will be recalled at all, or the amount of time it takes for it to be recalled, or both), or that alters the content of a reported memory. There are many types of memory bias, including:
| Name | Description |
|---|---|
| Bizarreness effect | Bizarre material is better remembered than common material. |
| Choice-supportive bias | The tendency to remember one's choices as better than they actually were. |
| Conservatism or regressive bias | The tendency to remember high values and high probabilities/frequencies as lower than they actually were, and low ones as higher than they actually were. Based on the available data, memories are insufficient. |
| Consistency bias | Incorrectly remembering one's past attitudes and behaviour as resembling present attitudes and behaviour. |
| Context effect | Cognition and memory are context-dependent, so out-of-context memories are more difficult to retrieve than memories that are in context (for example, the time and accuracy of recalling work-related memories will be lower at home, and vice versa) . |
| Cross-race effect | The tendency for people of one race to have difficulty identifying members of a race other than their own. |
| Cryptomnesia | A form of misattribution, in which a memory is mistaken for imagination, because there is no subjective experience of it being a memory. |
| Egocentric bias | Recalling the past in a self-serving manner, for example, remembering one's exam grades as being better than they were, or remembering a caught fish as bigger than it actually was. |
| Fading affect bias | A bias in which the emotion associated with unpleasant memories fades more quickly than the emotion associated with positive events. |
| False memory | A form of misattribution, in which imagination is mistaken for a memory. |
| Generation effect (self-generation effect) | Self-generated information is remembered best. For example, people can better recall statements that they have generated than similar statements generated by others. |
| Google effect | The tendency to forget information that can be readily found online using search engines. |
| Humor effect | Humorous items are more easily remembered than non-humorous ones, which can be explained by the distinctiveness of humor, the increased cognitive processing time required to understand humor, or the emotional arousal caused by humor. |
| Lag effect | The phenomenon whereby learning is increased when learning is spread out over time, as opposed to studying the same amount of time in a single session. ( spacing effect) . |
| Leveling and sharpening | Memory distortions introduced by the loss of details in a recollection over time, often coupled with a sharpening or selective recollection of certain details that take on an exaggerated significance in relation to the details or aspects of the experience lost through leveling. Both biases may be intensified with time, and also by repeated recall or retelling of the memory. |
| Levels-of-processing effect | That different methods of encoding information into memory have different levels of effectiveness. |
| List-length effect | A smaller percentage of items are remembered in a longer list, but as the length of the list increases, the absolute number of items remembered increases as well. For example, consider a list of 30 items (“L30”) and a list of 100 items (“L100”). A person may remember 15 items from L30, or 50%, whereas a person may remember 40 items from L100, or 40%. Although the percentage of items remembered from L30 (50%) is greater than the percentage from L100 (40%), more items from L100 (40) are remembered than items from L30 (15). |
| Misinformation effect | Memory becomes less accurate because of interference from post-event information . |
| Modality effect | Recall is higher for the last items on a list when the list items were received via speech than when they were received through writing. |
| Mood-congruent memory bias | The improved recall of information that is congruent with one's current mood. |
| Negativity bias | The psychological phenomenon by which people better remember unpleasant memories compared with positive ones. ( see also actor-observer bias , group attribution error , positivity effect and negativity effect ). |
| Next-in-line effect | When people take turns speaking in a group in a predetermined order (for example, going around the room clockwise, calling out numbers, etc.), people tend to poorly remember the words of the person who spoke immediately before them. |
| Part-list cueing effect | Displaying some of the items from a list and then retrieving one of them makes it harder to retrieve the other items. |
| Peak–end rule | People seem to perceive not the sum of an experience, but the average of how it was at its peak (for example, pleasant or unpleasant) and how it ended. |
| Picture superiority effect | The notion that concepts learned by viewing pictures are more easily and frequently recalled than concepts that are learned by viewing their written word-form counterparts. |
| Positivity effect ( socioemotional selectivity theory ) | Older people favor positive information in their memories. |
| Serial position effect | Items at the end of a sequence are the easiest to recall, followed by items at the beginning of a sequence; items in the middle are the least likely to be remembered. |
| Processing difficulty effect | Information that takes longer to read and requires more thought (is processed with greater difficulty) is easier to remember. |
| Reminiscence bump | The recollection of more personal events from adolescence and early adulthood than personal events from other periods of life. |
| Self-relevance effect | Memories relating to the self are recalled better than similar information about others. |
| Source confusion | The mixing up of episodic memories with other information, distorting memories. |
| Spacing effect | This information is better remembered if exposure to it is repeated over a long period of time rather than a short one. |
| Spotlight effect | The tendency to overestimate how much other people notice your appearance or behaviour. |
| Stereotypical bias | Memories are distorted toward stereotypes (for example, racial or gender stereotypes). |
| Suffix effect | The diminishment of the recency effect because a spoken item is added to the list that does not need to be recalled. |
| Suggestibility | A form of misattribution in which ideas suggested by a questioner are mistaken for memory. |
| Tachypsychia | When the time perceived by a person either lengthens, making events appear to slow down, or shortens. |
| Telescoping effect | The tendency to displace recent events backward in time and distant events forward in time, so that recent events appear more remote, and distant events appear more recent. |
| Testing effect | The fact that it is easier to remember information you have read by writing it out again, rather than by re-reading it. |
| Tip-of-the-tongue phenomenon | When a subject can recall parts of an item or related information but, frustratingly, cannot recall the whole item. This is thought to be an example of “blocking”, where several similar memories are being recalled and interfere with each other. |
| Travis Syndrome | Overestimating the significance of the present. This is associated with chronological snobbery, and possibly with an appeal to the logical fallacy of novelty being part of the bias. |
| Verbatim effect | That the "gist" of what someone has said is better remembered than the verbatim wording. This is because memories are representations, not exact copies. |
| Von Restorff effect | That an item that stands out is more likely to be remembered than other items. |
| Zeigarnik effect | That unfinished or interrupted tasks are remembered better than completed ones. |
Many social institutions rely on people to make rational judgements.
The regulatory regime for securities largely assumes that all investors act as perfectly rational people. In truth, real investors face cognitive limitations arising from biases, heuristics, and framing effects.
For example, a fair jury trial requires that jurors ignore irrelevant features of a case, properly weigh the relevant features, consider various possibilities open-mindedly, and resist fallacies such as the appeal to emotion . The various biases demonstrated in these psychological experiments suggest that people often fail to do all of this. However, they cannot do this systematically, deliberately, and predictably.
Cognitive biases are also linked to the persistence of thinking grounded in a theory of everything, to major social problems such as prejudice, and they also hinder the public's acceptance of counter-intuitive scientific knowledge.
However, in some academic disciplines the study of bias is very popular. For example, bias is a widespread and well-studied phenomenon, because most of the decisions that concern the minds and hearts of entrepreneurs are difficult to compute.
Cognitive biases can create other problems that arise in everyday life. One study found a link between cognitive bias, specifically approach bias, and the inhibitory control over how much unhealthy snack food a person will eat. They found that participants who ate more unhealthy snack food had less inhibitory control and relied more on approach bias. Others have also hypothesized that cognitive biases may be linked to various eating disorders and to how people see their body and their body image.
It has also been argued that cognitive biases can be used in destructive ways. Some believe that there are people in positions of authority who use cognitive biases and heuristics to manipulate others in order to achieve their own ends. Some medicines and other forms of treatment rely on cognitive biases to persuade others who are susceptible to cognitive biases to use their products. Many see this as an exploitation of the natural struggle of judgement and decision-making. They also believe that responsibility for regulating this misleading advertising falls to the government.
Cognitive biases also appear to play a role in the sale price and value of real estate. Participants in an experiment were shown a residential property. They were subsequently shown another property that was completely unrelated to the first. They were asked to say what they thought the value and sale price of the second property would be. They found that showing participants an unrelated property did indeed affect how they valued the second property.
Because they give rise to systematic errors , cognitive biases cannot be compensated for by applying the wisdom of crowds, which consists of averaging the answers from several people. Debiasing is the reduction of bias in judgement and decision-making through the use of incentives, nudges, and training. Cognitive bias mitigation and cognitive bias modification are forms of debiasing that apply specifically to cognitive biases and their effects. Reference class forecasting is a method for systematically de-biasing estimates and decisions, based on what Daniel Kahneman called the outside view .
Like Gigerenzer (1996), Haselton et al. (2005) state that the content and direction of cognitive biases are not “arbitrary” (p. 730). Moreover, cognitive biases can be controlled. One method of debiasing is aimed at reducing systematic errors by prompting people to use controlled processing as opposed to automatic processing. With regard to reducing the FAE , monetary incentives and informing participants that they would be held accountable for their attributions were both associated with an increase in accurate attribution. Training also reduces cognitive biases. Carey K. Morewedge and colleagues (2015) found that study participants who were exposed to one-shot training interventions, such as educational videos and debiasing games that taught mitigation strategies, showed a significant reduction in committing six cognitive biases immediately and up to 3 months later. .
Cognitive bias modification refers to the process of altering cognitive biases in healthy people, as well as to the growing field of psychological (non-pharmaceutical) treatments for anxiety, depression, and addiction known as cognitive bias modification therapy (CBMT). CBMT is a subgroup of therapies within the growing field of psychotherapy based on modifying cognitive processes with or without accompanying medication and talk therapy, sometimes called applied cognitive processing therapy (ACPT). Although cognitive bias modification can refer to changing cognitive processes in healthy people, CBMT is a growing field of evidence-based psychological therapy in which cognitive processes are modified to relieve the suffering of major depression , anxiety, and addiction. CBMT methods are technology-assisted treatments that are administered via computer, with or without the support of a clinician. CBM combines data and theory from the cognitive model of anxiety, cognitive neuroscience, and attentional models.
Cognitive bias modification has also been used to help those who suffer from obsessive-compulsive beliefs and obsessive-compulsive disorder. This therapy has been shown to reduce obsessive-compulsive beliefs and behaviour.
Bias arises from various processes that are sometimes difficult to distinguish. These include:
People do have stable individual differences in their susceptibility to errors in decision-making, such as overconfidence , temporal discounting , and bias blind spot . Nevertheless, these stable levels of bias within individuals can be changed. Participants in experiments who watched educational videos and played debiasing games showed a medium-to-large reduction, both immediately and up to three months later, in their susceptibility to six cognitive biases: anchoring , bias blind spot , confirmation bias , fundamental attribution error , projection bias , and representativeness .
Individual differences in cognitive bias have also been linked to differing levels of cognitive ability and function. The Cognitive Reflection Test (CRT) has been used to help understand the relationship between cognitive biases and cognitive abilities. Using the cognitive reflection test to determine ability has produced inconclusive results. However, there does appear to be a correlation; those who score higher on the cognitive reflection test possess higher cognitive abilities and rational thinking skills. This, in turn, helps predict performance on cognitive bias and heuristic tests. Those with higher CRT scores tend to be able to answer various heuristic and cognitive tests and tasks more correctly.
Age is another individual difference that affects susceptibility to cognitive biases. Older people are more susceptible to cognitive biases and have less cognitive flexibility. Nevertheless, older people were able to reduce their predisposition to cognitive biases over the course of ongoing trials. In these experiments, both young and older people performed a framing task. Young people possessed greater cognitive flexibility than older people. Cognitive flexibility helps overcome pre-existing biases.
Criticism of theories of cognitive bias is usually based on the fact that both sides of the debate often claim that the other's thoughts are subject to human nature and are the result of cognitive biases, while asserting that their own point of view stands above cognitive biases and is the correct way to “overcome” the problem. This split is connected to a more fundamental problem stemming from the lack of consensus in the field, thereby creating arguments that can be used, without being proven wrong, to support any conflicting point of view.
Gerd Gigerenzer is one of the leading opponents of the concept of cognitive biases and heuristics. Gigerenzer believes that cognitive biases are not biases at all, but rules of thumb, or as he put it, “intuitive feelings”, that can genuinely help us make the right decisions in our lives. His view casts a far more positive light on cognitive biases than many other researchers. Many view cognitive biases and heuristics as irrational ways of making decisions and judgements. Gigerenzer argues that the use of heuristics and cognitive biases is rational and useful for decision-making in everyday life.
Часть 1 Examples of Cognitive Biases and Cognitive Prejudices
Часть 2 Social - Examples of Cognitive Biases and Cognitive Prejudices
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