In the field of social psychology, illusory superiority is a condition of cognitive bias wherein a person overestimates their own qualities and abilities, in relation to the same qualities and abilities of other people. 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. +more
The term illusory superiority was first used by the researchers Van Yperen and Buunk, in 1991. The phenomenon is also known as the above-average effect, the superiority bias, the leniency error, the sense of relative superiority, the primus inter pares effect, and the Lake Wobegon effect, named after the fictional town where all the children are above average. +more
A vast majority of the literature on illusory superiority originates from studies on participants in the United States. However, research that only investigates the effects in one specific population is severely limited as this may not be a true representation of human psychology. +more
Explanations
Better-than-average heuristic
Alicke and Govorun proposed the idea that, rather than individuals consciously reviewing and thinking about their own abilities, behaviors and characteristics and comparing them to those of others, it is likely that people instead have what they describe as an "automatic tendency to assimilate positively-evaluated social objects toward ideal trait conceptions". For example, if an individual evaluated themselves as honest, they would be likely to then exaggerate their characteristic towards their perceived ideal position on a scale of honesty. +more
Egocentrism
Another explanation for how the better-than-average effect works is egocentrism. This is the idea that an individual places greater importance and significance on their own abilities, characteristics, and behaviors than those of others. +more
Focalism
Yet another explanation for the better-than-average effect is "focalism", the idea that greater significance is placed on the object that is the focus of attention. Most studies of the better-than-average effect place greater focus on the self when asking participants to make comparisons (the question will often be phrased with the self being presented before the comparison target-"compare yourself to the average person"). +more
Research into focalism has focused primarily on optimistic bias rather than the better-than-average effect. However, two studies found a decreased effect of optimistic bias when participants were asked to compare an average peer to themselves, rather than themselves to an average peer.
Windschitl, Kruger & Simms (2003) have conducted research into focalism, focusing specifically on the better-than-average effect, and found that asking participants to estimate their ability and likelihood of success in a task produced results of decreased estimations when they were asked about others' chances of success rather than their own.
Noisy mental information processing
A 2012 Psychological Bulletin suggests that illusory superiority, as well as other biases, can be explained by an information-theoretic generative mechanism that assumes observation (a noisy conversion of objective evidence) into subjective estimates (judgment). The study suggests that the underlying cognitive mechanism is similar to the noisy mixing of memories that cause the conservatism bias or overconfidence: re-adjustment of estimates of our own performance after our own performance are adjusted differently than the re-adjustments regarding estimates of others' performances. +more
Since mental noise is a sufficient explanation that is much simpler and more straightforward than any other explanation involving heuristics, behavior, or social interaction, the Occam's razor principle argues in its favor as the underlying generative mechanism (it is the hypothesis which makes the fewest assumptions).
Selective recruitment
Selective recruitment is the notion that an individual selects their own strengths and the other's weaknesses when making peer comparisons, in order that they appear better on the whole. This theory was first tested by Weinstein (1980); however, this was in an experiment relating to optimistic bias, rather than the better-than-average effect. +more
Perloff and Fetzer (1986) suggested that when making peer comparisons on a specific characteristic, an individual chooses a comparison target-the peer to whom he is being compared-with lower abilities. To test this theory, Perloff and Fetzer asked participants to compare themselves to specific comparison targets like a close friend, and found that illusory superiority decreased when they were told to envision a specific person rather than vague constructs like "the average peer". +more
"Self versus aggregate" comparisons
This idea, put forward by Giladi and Klar, suggests that when making comparisons any single member of a group will tend to evaluate themselves to rank above that group's statistical mean performance level or the median performance level of its members. For example, if an individual is asked to assess their own skill at driving compared to the rest of the group, they are likely to rate themself as an above-average driver. +more
Non-social explanations
The better-than-average effect may not have wholly social origins-judgments about inanimate objects suffer similar distortions.
Neuroimaging
The degree to which people view themselves as more desirable than the average person links to reduced activation in their orbitofrontal cortex and dorsal anterior cingulate cortex. This is suggested to link to the role of these areas in processing "cognitive control".
Important
Effects in different situations
Illusory superiority has been found in individuals' comparisons of themselves with others in a variety of aspects of life, including performance in academic circumstances (such as class performance, exams and overall intelligence), in working environments (for example in job performance), and in social settings (for example in estimating one's popularity, or the extent to which one possesses desirable personality traits, such as honesty or confidence), and in everyday abilities requiring particular skill.
For illusory superiority to be demonstrated by social comparison, two logical hurdles have to be overcome. One is the ambiguity of the word "average". +more
A further problem in inferring inconsistency is that subjects might interpret the question in different ways, so it is logically possible that a majority of them are, for example, more generous than the rest of the group each on "their own understanding" of generosity. This interpretation is confirmed by experiments which varied the amount of interpretive freedom. +more
Academic ability, job performance, lawsuits going to trial, and stock trading
In a survey of faculty at the University of Nebraska-Lincoln, 68% rated themselves in the top 25% for teaching ability, and 94% rated themselves as above average.
In a similar survey, 87% of Master of Business Administration students at Stanford University rated their academic performance as above the median.
Illusory superiority has also explained phenomena such as the large amount of stock market trading (as each trader thinks they are the best, and most likely to succeed), and the number of lawsuits that go to trial (because, due to illusory superiority, many lawyers have an inflated belief that they will win a case).
Cognitive tasks
In Kruger and Dunning's experiments, participants were given specific tasks (such as solving logic problems, analyzing grammar questions, and determining whether jokes were funny), and were asked to evaluate their performance on these tasks relative to the rest of the group, enabling a direct comparison of their actual and perceived performance.
Results were divided into four groups depending on actual performance and it was found that all four groups evaluated their performance as above average, meaning that the lowest-scoring group (the bottom 25%) showed a very large illusory superiority bias. The researchers attributed this to the fact that the individuals who were worst at performing the tasks were also worst at recognizing skill in those tasks. +more
In 2003 Dunning and Joyce Ehrlinger, also of Cornell University, published a study that detailed a shift in people's views of themselves influenced by external cues. Cornell undergraduates were given tests of their knowledge of geography, some intended to positively affect their self-views, others intended to affect them negatively. +more
Daniel Ames and Lara Kammrath extended this work to sensitivity to others, and the subjects' perception of how sensitive they were. Research by Burson, Larrick, and Klayman suggests that the effect is not so obvious and may be due to noise and bias levels.
Dunning, Kruger, and coauthors' latest paper on this subject comes to qualitatively similar conclusions after making some attempt to test alternative explanations.
Driving ability
Svenson (1981) surveyed 161 students in Sweden and the United States, asking them to compare their driving skills and safety to other people's. For driving skills, 93% of the U. +more
McCormick, Walkey and Green (1986) found similar results in their study, asking 178 participants to evaluate their position on eight different dimensions of driving skills (examples include the "dangerous-safe" dimension and the "considerate-inconsiderate" dimension). Only a small minority rated themselves as below the median, and when all eight dimensions were considered together it was found that almost 80% of participants had evaluated themselves as being an above-average driver.
One commercial survey showed that 36% of drivers believed they were an above-average driver while texting or sending emails compared to other drivers; 44% considered themselves average, and 18% below average.
Health
Illusory superiority was found in a self-report study of health behaviors (Hoorens & Harris, 1998) that asked participants to estimate how often they and their peers carried out healthy and unhealthy behaviors. Participants reported that they carried out healthy behaviors more often than the average peer, and unhealthy behaviors less often. +more
Immunity to bias
Subjects describe themselves in positive terms compared to other people, and this includes describing themselves as less susceptible to bias than other people. This effect is called the "bias blind spot" and has been demonstrated independently.
IQ
One of the main effects of illusory superiority in IQ is the "Downing effect". This describes the tendency of people with a below-average IQ to overestimate their IQ, and of people with an above-average IQ to underestimate their IQ (similar trend than the Dunning-Kruger effect). +more
The disparity between actual IQ and perceived IQ has also been noted between genders by British psychologist Adrian Furnham, in whose work there was a suggestion that, on average, men are more likely to overestimate their intelligence by 5 points, while women are more likely to underestimate their IQ by a similar margin.
Memory
Illusory superiority has been found in studies comparing memory self-reports, such as Schmidt, Berg & Deelman's research in older adults. This study involved participants aged between 46 and 89 years of age comparing their own memory to that of peers of the same age group, 25-year-olds and their own memory at age 25. +more
Popularity
In Zuckerman and Jost's study, participants were given detailed questionnaires about their friendships and asked to assess their own popularity. Using social network analysis, they were able to show that participants generally had exaggerated perceptions of their own popularity, especially in comparison to their own friends.
Despite the fact that most people in the study believed that they had more friends than their friends, a 1991 study by sociologist Scott L. Feld on the friendship paradox shows that on average, due to sampling bias, most people have fewer friends than their friends have.
Relationship happiness
Researchers have also found illusory superiority in relationship satisfaction. For example, one study found that participants perceived their own relationships as better than others' relationships on average, but thought that the majority of people were happy with their relationships. +more
Self, friends, and peers
One of the first studies that found illusory superiority was carried out in the United States by the College Board in 1976. A survey was attached to the SAT exams (taken by one million students annually), asking the students to rate themselves relative to the median of the sample (rather than the average peer) on a number of vague positive characteristics. +more
A 2002 study on illusory superiority in social settings, with participants comparing themselves to friends and other peers on positive characteristics (such as punctuality and sensitivity) and negative characteristics (such as naivety or inconsistency). This study found that participants rated themselves more favorably than their friends, but rated their friends more favorably than other peers (but there were several moderating factors).
Research by Perloff and Fetzer, Brown, and Henri Tajfel and John C. Turner also found friends being rated higher than other peers. +more
Moderating factors
While illusory superiority has been found to be somewhat self-serving, this does not mean that it will predictably occur-it is not constant. The strength of the effect is moderated by many factors, the main examples of which have been summarized by Alicke and Govorun (2005).
Interpretability/ambiguity of trait
This is a phenomenon that Alicke and Govorun have described as "the nature of the judgement dimension" and refers to how subjective (abstract) or objective (concrete) the ability or characteristic being evaluated is. Research by Sedikides & Strube (1997) has found that people are more self-serving (the effect of illusory superiority is stronger) when the event in question is more open to interpretation, for example social constructs such as popularity and attractiveness are more interpretable than characteristics such as intelligence and physical ability. +more
The idea that ambiguity moderates illusory superiority has empirical research support from a study involving two conditions: in one, participants were given criteria for assessing a trait as ambiguous or unambiguous, and in the other participants were free to assess the traits according to their own criteria. It was found that the effect of illusory superiority was greater in the condition where participants were free to assess the traits.
The effects of illusory superiority have also been found to be strongest when people rate themselves on abilities at which they are totally incompetent. These subjects have the greatest disparity between their actual performance (at the low end of the distribution) and their self-rating (placing themselves above average). +more
Method of comparison
The method used in research into illusory superiority has been found to have an implication on the strength of the effect found. Most studies into illusory superiority involve a comparison between an individual and an average peer, of which there are two methods: direct comparison and indirect comparison. +more
The indirect method of comparison involves participants rating themselves and the average peer on separate scales and the illusory superiority effect is found by taking the average peer score away from the individual's score (with a higher score indicating a greater effect). While the indirect comparison method is used less often it is more informative in terms of whether participants have overestimated themselves or underestimated the average peer, and can therefore provide more information about the nature of illusory superiority.
Comparison target
The nature of the comparison target is one of the most fundamental moderating factors of the effect of illusory superiority, and there are two main issues relating to the comparison target that need to be considered.
First, research into illusory superiority is distinct in terms of the comparison target because an individual compares themselves with a hypothetical average peer rather than a tangible person. Alicke et al. +more
Further research into the differences between comparison targets involved four conditions where participants were at varying proximity to an interview with the comparison target: watching live in the same room; watching on tape; reading a written transcript; or making self-other comparisons with an average peer. It was found that when the participant was further removed from the interview situation (in the tape observation and transcript conditions) the effect of illusory superiority was found to be greater. +more
Second, Alicke et al. 's (1995) studies investigated whether the negative connotations to the word "average" may have an effect on the extent to which individuals exhibit illusory superiority, namely whether the use of the word "average" increases illusory superiority. +more
Controllability
An important moderating factor of the effect of illusory superiority is the extent to which an individual believes they are able to control and change their position on the dimension concerned. According to Alicke & Govorun positive characteristics that an individual believes are within their control are more self-serving, and negative characteristics that are seen as uncontrollable are less detrimental to self-enhancement. +more
Individual differences of judge
Personality characteristics vary widely between people and have been found to moderate the effects of illusory superiority, one of the main examples of this is self-esteem. Brown (1986) found that in self-evaluations of positive characteristics participants with higher self-esteem showed greater illusory superiority bias than participants with lower self-esteem. +more
Relation to mental health
Psychology has traditionally assumed that generally accurate self-perceptions are essential to good mental health. This was challenged by a 1988 paper by Taylor and Brown, who argued that mentally healthy individuals typically manifest three cognitive illusions-illusory superiority, illusion of control, and optimism bias. +more
One line of argument was that in the Taylor and Brown paper, the classification of people as mentally healthy or unhealthy was based on self-reports rather than objective criteria. People prone to self-enhancement would exaggerate how well-adjusted they are. +more
Worse-than-average effect
In contrast to what is commonly believed, research has found that better-than-average effects are not universal. In fact, much recent research has found the opposite effect in many tasks, especially if they were more difficult.
Self-esteem
Illusory superiority's relationship with self-esteem is uncertain. The theory that those with high self-esteem maintain this high level by rating themselves highly is not without merit-studies involving non-depressed college students found that they thought they had more control over positive outcomes compared to their peers, even when controlling for performance. +more
In these studies there was no distinction made between people with legitimate and illegitimate high self-esteem, as other studies have found that absence of positive illusions mainly coexist with high self-esteem and that determined individuals bent on growth and learning are less prone to these illusions. Thus it may be that while illusory superiority is associated with undeserved high self-esteem, people with legitimate high self-esteem do not necessarily exhibit it.
Historical antecedents
The cognitive bias of illusory superiority has been known throughout history and identified by intellectuals. A sampling of their comments includes: *Confucius (551-479 BC), who said, "Real knowledge is to know the extent of one's ignorance". +more
Further reading
especially chapters 5 and 4 * * * * * * *
[[Category:Cognitive biases]] [[Category:Error]] [[Category:Illusions|superiority]] [[Category:Self]] [[Category:Supremacism]]
Supremacism
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