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Positive illusions are unrealistically favourable attitudes that people have towards themselves. There are three broad kinds: inflated assessment of one's own abilities, unrealistic optimism about the future and an illusion of control. The term "positive illusions" originates in a 1988 paper by Taylor and Brown.
In the above-average effect, people regard themselves more positively than they regard others and less negatively than others regard them. Moreover, positive attributes are judged to be more descriptive of themselves than of an average person, whereas negative ones are judged to be less descriptive of themselves than of an average person (Alicke, 1985). This effect has been widely recognised across traits (Brown, 1986) and abilities (Campbell, 1986), including the realm of driving ability (Svenson, 1981), parenting (Wenger & Fowers, 2008), leadership ability, teaching ability, ethics, and health.
The illusion of control is an exaggerated assessment of the individual's personal control over environmental circumstances such as the roll of dice or flip of coin (Fleming & Darley, 1989).
Optimism bias is a tendency for people to overestimate their likelihood of experiencing a wide variety of pleasant events, such as enjoying their first job or having a gifted child, and somewhat underestimate their risk of succumbing to negative events, such as getting divorced or falling victim to a chronic disease. This illusory nature of optimism is also evident in peoples' under-estimation of the time taken for a variety of tasks (Buelher et al., 1994).
Positive illusions have been commonly understood as one of the apparent effects of self-enhancement, a desire to maximise the positivity of one's self-views (e.g. Leary, 2007) and a function of boosting self-esteem. It might be due to the desire to see oneself more favorably relative to one's peers (Lewinsohn et al., 1980). These kinds of self-serving attributions seemed to be displayed by positive self-viewers only. In fact, the negative-viewers were found to display the opposite pattern (e.g. Swann, Predmore, Griffin, & Gaines, 1987). Research suggests that there may be modest genetic contributions to the ability to develop positive illusions (Owens et al., 2007). Early environment also plays an important role: people are more able to develop these positive beliefs in nurturing environments than in harsh ones.
Alternative explanations involve dimensions like the easiness and commonness of the tasks. In addition, tasks that shifted attention from the self to the comparative target would stop people overly optimising (Eiser, Pahl, & Prins, 2001).
The cultural prevalence also has a significant role in positive illusions. Although it is easy to document positive illusions in Western cultures, people in East Asian cultures are much less likely to self-enhance and, indeed, are often self-effacing instead (Heine & Hamamura, 2007).
Benefits and liabilitiesEdit
Positive illusions can have advantages and disadvantages for the individual, and there is a controversy over whether they are evolutionarily adaptive. The illusions may have direct health benefits by helping the person cope with stress, or by promoting work towards success. On the other hand, unrealistically positive expectations may prevent people from taking sensible preventative action for medical risks.
- Main article: Depressive realism
Taylor and Brown's Social Psychological Model of mental health has assumed that positive beliefs would be tied to psychological well-being, and that positive self-evaluations, even unrealistic, would promote good mental health. The reference to wellbeing here means the ability to feel good about oneself, to be creative and/or productive in one's work, to form satisfying relationships with other people and to effectively combat stress when necessary (Taylor & Brown, 1988). Positive illusions are particularly useful for helping people to get through major stressful events or traumas, such as life-threatening illnesses or serious accidents. People who are able to develop or maintain their positive beliefs in the face of these potential setbacks tend to cope more successfully with them, and show less psychological distress than those less able. For example, psychological research shows that cancer survivors often report a higher quality of life than people who have never had cancer at all (Taylor, 1983). This could be physiologically protective because they have been able to use the traumatic experience to evoke an increased sense of meaning and purpose (Taylor et al., 2000).
People also hold positive illusions because such beliefs often enhance their productivity and persistence with tasks on which they might otherwise give up (Greenwald, 1980). When people believe they can achieve a difficult goal, this expectation often creates a sense of energy and excitement, resulting in more progress than would otherwise have been the case.
Positive illusions can be argued to be adaptive because they enable people to feel hopeful in the face of uncontrollable risks (Janoff-Bulman & Brickman, 1982).
However, more recent findings such as Joiner et al. (2006) or Moore et al. (2007) found that all forms of illusion, positive or not, were associated with more depressive symptoms and various other studies such as Fu et al. (2003), Carsona et al.(2009) and Boyd-Wilson et al. (2000) reject the link between positive illusions and mental health, well-being or life satisfaction, maintaining that accurate perception of reality is compatible with happiness.
When studying the link between self-esteem and positive illusions, Compton (1992) identified a group which possessed high self-esteem without positive illusions, and that these individuals weren't depressed, neurotic, psychotic, maladjusted nor personality disordered, thus concluding that positive illusions aren't necessary for high self-esteem. Compared to the group with positive illusions and high self-esteem, the nonillusional group with high self-esteem was higher on self-criticism and personality integration and lower on psychoticism.
A meta-analysis of 118 studies including 7013 subjects by Moore et al. (2007) found that slightly more studies supported the idea of depressive realism, but these studies were poorer in quality, used non-clinical samples, were more readily generalized, used self-reports instead of interviews and used attentional bias or judgment of contingency as a method of measuring depressive realism, as methods such as recall of feedback and evaluation of performance showed results counter to depressive realism.
Apart from having better psychological adjustment with more active coping (Taylor et al., 1992), the ability to develop and sustain positive beliefs in the face of setbacks has its health benefits. Research with men who were HIV seropositive, or already diagnosed with AIDS has shown that those who hold unrealistically positive assessments of their abilities to control their health conditions take longer to develop symptoms, experience a slower course of illness, as well as other positive cognitive outcomes, such as acceptance of the loss (Bower et al., 1998). The association between optimism and physical health is evident in the finding of another study that men with AIDS who were found to be HIV positive did not show any symptoms for 6 years (Reed et al., 1999).
There are several potential risks that may arise if people hold positive illusions about their personal qualities and likely outcomes. First of all, they might set themselves up for unpleasant surprises for which they are ill-prepared when their overly optimistic beliefs are disconfirmed. They may also have to tackle the consequences thereafter. However, research suggests that, for the most part, these adverse outcomes do not occur. People's beliefs are more realistic at times when realism serves them particularly well: for example, when initially making plans; when accountability is likely or following negative feedback from the environment. Following a setback or failure, all is still not lost, as people's overly positive beliefs may be used again in a new undertaking (Armor & Taylor, 1998).
A second risk is that people who hold positive illusions will set goals, or undertake courses of actions which are more likely to produce failure than success. This concern appears to be largely without basis. Research shows that when people are deliberating future courses of actions for themselves, such as whether to take a particular job or go to graduate school, their perceptions are fairly realistic, but they can become overly optimistic when they turn to implementing their plans. Although there is no guarantee that one's realistic prediction would turn out to be accurate (Armor & Taylor, 1998), the shift from realism to optimism may provide the fuel needed to bring potentially difficult tasks from conception to fruition (Taylor & Gollwitzer, 1995).
A third risk is that positive self-perceptions may have social costs. A specific source of evidence of the self-serving pattern in ability assessment examined the use of idiosyncratic definitions of traits and abilities (Dunning, Meyerowitz, & Holzberg, 1989). The authors suggested that the social costs occur when one's definition of ability is perceived to be the only one relevant to achievement outcomes. In other words, wherever people fail to recognise when other plausible definitions of ability are relevant for success, estimates of their future well-being will be overstated.
Although positive illusions may have short-term benefits, they come with long-term costs. Positive illusions have been linked with decreasing levels of self-esteem and well-being, as well as narcissism and lower academic achievement among students (Robins & Beer, 2001) (Yang, 2009) (Robins & John 1994).
Although more academic attention has focused on positive illusions, there are systematic negative illusions that are revealed under slightly different circumstances. For example, while college students rate themselves as more likely than average to live to 70, they believe they are less likely than average to live to 100. People regard themselves as above average on easy tasks such as riding a bicycle but below average on difficult tasks like riding a unicycle (Kruger, 1999, as cited in Sedikides and Gregg, 2008). The latter effect has been recently named the "Worse-than-average effect" (Moore, 2007). In general, people overestimate their relative standing when their absolute standing is high and underestimate it when their absolute standing is low.
Two hypotheses have been stated in the literature with regard to avoiding the drawbacks of positive illusions: firstly by minimising the illusions in order to take the full advantage of the benefits (Baumeister, 1989b), and secondly through making important decisions (Gollwitzer & Kinney, 1989).
Otherwise, the nature of depression seems to have its role in diminishing positive illusions. For example, individuals who are low in self-esteem, slightly depressed, or both, are more balanced in self-perceptions (Coyne & Gotlib, 1983). Likewise, these mildly depressed individuals are found to be less vulnerable to overestimations of (their) control over events (Golin et al., 1979) and to assess future circumstances in biased fashion (Ruehlman, West, & Pasahow, 1985). However, these findings may not be because depressed people have less illusions than nondepressed. Studies such as Dykman et al. (1989) show that depressed people believe they have no control in situations where they actually do, so their perspection is not more accurate overall. It might also be that the pessimistic bias of depressives results in "depressive realism" when, for example, measuring estimation of control when there is none, as proposed by Allan et al. (2007). Also, Msetfi et al. (2005, 2007) found that when replicating Alloy and Abramson's findings the overestimation of control in nondepressed people only showed up when the interval was long enough, implying that this is because they take more aspects of a situation into account than their depressed counterparts.
- ↑ 1.0 1.1 1.2 1.3 1.4 Kruger, Justin, Steven Chan, Neal Roese (2009). (Not so) positive illusions. Behavioral and Brain Sciences 32 (6): 526–527.
- ↑ 2.0 2.1 2.2 McKay, Ryan T. (2009). The evolution of misbelief. Behavioral and Brain Sciences 32 (6): 493–561.
- ↑ (1994). Do positive illusions foster mental health? An Examination of the Taylor and Brown Formulation. Psychological bulletin 116 (1): 3–20.
- ↑ 4.0 4.1 (2010). Depressive Realism: Happiness or Objectivity. Turkish Journal of Psychiatry 21 (1): 60–67.
- ↑ Dunning, David, Chip Heath, Jerry M. Suls (2004). Flawed Self-Assessment. Implications for Health, Education, and the Workplace. Psychological Science in the Public Interest 5 (3): 69–106.
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- Tiffany Fu, Wilma Koutstaal, Cynthia H. Y. Fu, Lucia Poon and Anthony J. Cleare (2003). Depression, Confidence, and Decision: Evidence Against Depressive Realism Journal of Psychopathology and Behavioral Assessment Volume 27, Number 4, 243-252, DOI: 10.1007/s10862-005-2404-x Abstract
- Richard C. Carsona, 1, Steven D. Hollonb, Richard C. Sheltonc (2009). Depressive realism and clinical depression Behaviour Research and Therapy Volume 48, Issue 4, April 2010, Pages 257-265 Abstract
- Dykman, B. M., Abramson, L. Y., Alloy, L. B., & Hartlage, S. (1989). Processing of ambiguous and unambiguous feedback by depressed and nondepressed college students: Schematic biases and their implications for depressive realism. Journal of Personality and Social Psychology, 56, 431–445.
- Rachel Adelson. Probing the puzzling workings of 'depressive realism' (2005) 
- Thomas E. Joiner, Janet A. Kistner, Nadia E. Stellrecht, Katherine A. Merrill (2006). On Seeing Clearly and Thriving: Interpersonal Perspicacity as Adaptive (Not Depressive) Realism (Or Where Three Theories Meet). Journal of Social and Clinical Psychology, Volume: 25 Issue: 5 Pages: 542-564 Abstract
- Michael Thomas Moore, David Fresco (2007). Depressive realism and attributional style: implications for individuals at risk for depression. Behavior Therapy 38 Pages: 144-154 
- Belinda M. Boyd-Wilson Frank H. Walkeyb, John McClureb and Dianne E. Greenb (2000). Do we need positive illusions to carry out plans? Illusion: and instrumental coping. Personality and Individual Differences, Volume: 29 Issue: 6 Pages: 1141-1152 Abstract
- Msetfi RM, Murphy RA, Simpson J, Kornbrot DE (2005) Depressive realism and outcome density bias in contingency judgments: the effect of the context and intertrial interval. Journal of Experimental Psychology. General, Volume: 134 Issue: 1 Pages: 10-22. 
- Allan LG, Siegel S, Hannah S. (2007) The sad truth about depressive realism. The Quarterly Journal of Experimental Psychology, Volume: 60 Issue: 3 Pages: 482-495 
- Msetf RM, Murphy RA, Simpson J (2007) Depressive realism and the effect of intertrial interval on judgements of zero, positive, and negative contingencies. The Quarterly Journal of Experimental Psychology, Volume: 60 Issue: 3 Pages: 461-481.
- Moore MT, Fresco DM (2007) Depressive realism: A meta-analytic review 
- Richard W. Robins, Jennifer S. Beer (2001) Positive Illusions About the Self:Short-Term Benefits and Long-Term Costs. Journal of Personality and Social Psychology, Vol. 80, No. 2, Pages: 340-352. 
- Mu-Li Yang, Hsueh-Hua Chuang, Wen-Bin Chiou (2009) Long-term costs of inflated self-estimate on academic performance amond adolescent students: A case of second-language achievements. Psychological Reports, Volume 105, Issue , pp. 727-737.
- William C. Compton (1992) Are positive illusions necessary for self-esteem: a research note. Personality and Individual Differences Volume 13, Issue 12, December 1992, Pages 1343-1344
- Oliver P. John and Richard W. Robins (1994) Accuracy and Bias in Self-Perception: Individual Differences in Self-Enhancement and the Role of Narcissism. Journal of Personality and Social Psychology Vol. 66, No. 1 Pages: 206-219
- "You are what you expect" New York Times article by Jim Holt
- "Just how positive are positive illusions?" by Positive Psychology UK
- "Optimism and Positive Illusions" by Positive Psychology UK
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