Optimism is the attitude or mindset of expecting events to lead to particularly positive, favorable, desirable, and hopeful outcomes. A common idiom used to illustrate optimism versus pessimism is a glass filled with water to the halfway point: an optimist is said to see the glass as half full, while a pessimist sees the glass as half empty. In ordinary English, optimism may be with idealism—often, unrealistic or foolish optimism in particular.
The term derives from the Latin optimum, meaning "best". To be optimistic, in the typical sense of the word, is to expect the best possible outcome from any given situation. This is usually referred to in psychology as dispositional optimism. It reflects a belief that future conditions will work out for the best. As a trait theory, it fosters resilience in the face of stress.
Theories of optimism include dispositional models and models of explanatory style. Methods to measure optimism have been developed within both of these theoretical approaches, such as various forms of the Life Orientation Test for the original dispositional definition of optimism and the Attributional Style Questionnaire designed to test optimism in terms of explanatory style.
Variation in optimism between people is somewhat heritability and reflects biological trait systems to some degree. A person's optimism is also influenced by environmental factors, including family environment, and may be learnable. Optimism may also be related to health.
Dispositional optimism and pessimism are typically assessed by asking people whether they expect future outcomes to be beneficial or negative (see below). The LOT returns separate optimism and pessimism scores for each individual. these two scores correlate around r=0.5. Optimistic scores on this scale predict better outcomes in relationships, higher social status, and reduced loss of well-being following adversity. Health-preserving behaviors optimism while health-damaging behaviors are associated with pessimism.
Some have argued that optimism is the opposite end of a single dimension with pessimism,
Optimistic people attribute internal, stable, and global explanations to good things. Pessimistic explanations attribute these traits of stability, globality, and internality to negative events, such as relationship difficulty. Models of optimistic and pessimistic attributions show that attributions themselves are a cognitive style – individuals who tend to focus on the global explanations do so for all types of events, and the styles correlate among each other. In addition, individuals vary in how optimistic their attributions are for good events and on how pessimistic their attributions are for bad events. Still, these two traits of optimism and pessimism are un-correlated.
There is much debate about the relationship between explanatory style and optimism. Some researchers argue that optimism is simply the lay-term for what researchers know as explanatory style. More commonly, it is found that explanatory style is distinct from dispositional optimism, so the two should not be used interchangeably as they are marginally correlated at best. More research is required to "bridge" or further differentiate these concepts.
Work utilising brain imaging and biochemistry suggests that at a biological trait level, optimism and pessimism reflect brain systems specialised for the tasks of processing and incorporating beliefs regarding Optimism bias respectively.
There are eight items and four filler items in the test. Four are positive items (e.g. "In uncertain times, I usually expect the best") and four are negative items e.g. "If something can go wrong for me, it will." The LOT has been revised twice—once by the original creators (LOT-R) and also by Chang, Maydeu-Olivares, and D'Zurilla as the Extended Life Orientation Test (ELOT). The Revised Life Orientation Test (LOT-R) consists of six items, each scored on a five-point scale from "Strongly disagree" to "Strongly agree" and four filler items. Half of the coded items are phrased optimistically, the other half in a pessimistic way. Compared with its previous iteration, LOT-R offers good internal consistency over time despite item overlaps, making the correlation between the LOT and LOT-R extremely high.
The relationship between optimism and health has also been studied with regard to physical symptoms, coping strategies, and negative effects for those suffering from rheumatoid arthritis, asthma, and fibromyalgia. Among individuals with these diseases, optimists are not more likely than pessimists to report pain alleviation due to coping strategies, despite differences in psychological well-being between the two groups. A meta-analysis confirmed the assumption that optimism is related to psychological well-being: "Put simply, optimists emerge from difficult circumstances with less distress than do pessimists." Furthermore, the correlation appears to be attributable to coping style: "That is, optimists seem intent on facing problems head-on, taking active and constructive steps to solve their problems; pessimists are more likely to abandon their effort to attain their goals."
Optimists may respond better to stress: pessimists have shown higher levels of cortisol (the "stress hormone") and trouble regulating cortisol in response to stressors. Another study by Scheier examined the recovery process for a number of patients that had undergone surgery. The study showed that optimism was a strong predictor of the rate of recovery. Optimists achieved faster results in "behavioral milestones" such as sitting in bed, walking around, etc. They also were rated by staff as having a more favorable physical recovery. At a six-month follow-up, optimists were quicker to resume normal activities.
Another study conducted by Aspinwall and Taylor (1990) assessed incoming freshmen on a range of personality factors such as optimism, self-esteem, locus of self-control, etc. Freshmen who scored high on optimism before entering college had lower levels of psychological distress than their more pessimistic peers while controlling for the other personality factors. Over time, the more optimistic students were less stressed, less lonely, and less depressed than their pessimistic counterparts. This study suggests a strong link between optimism and psychological well-being.
Low optimism may help explain the association between caregivers' anger and reduced sense of vitality.
A meta-analysis of optimism supported findings that optimism is positively correlated with life satisfaction, happiness, and psychological and physical well-being, and negatively correlated with depression and anxiety.
Seeking to explain the correlation, researchers find that optimists choose healthier lifestyles. For example, optimists smoke less, are more physically active, consume more fruit, vegetables, and whole-grain bread, and are more moderate in alcohol consumption.
An article by Mayo Clinic argues that steps to change self-talk from negative to positive may shift individuals from a negative to a more positive/optimistic outlook. Strategies claimed to be of value include surrounding oneself with positive people, identifying areas of change, practicing positive self-talk, being open to humor, and following a healthy lifestyle.
There is also the notion of "learned optimism" in positive psychology, which holds that joy is a talent that can be cultivated and can be achieved through specific actions such as challenging negative self talk or overcoming "learned helplessness". However, criticism against positive psychology argues that it places too much importance on "upbeat thinking, while shunting challenging and difficult experiences to the side"—threatening to become toxic positivity.
A study involving twins found that optimism is largely inherited at birth. Along with the recognition that childhood experiences determine an individual's outlook, such studies demonstrate the genetic basis for optimism reinforces the recognized difficulty in changing or manipulating the direction of an adult's disposition from pessimist to optimist.
Distinct from a disposition to believe that things will work out, there is a philosophical idea that, perhaps in ways that may not be fully comprehended, the present moment is in an optimum state. This view that all of nature—past, present, and future—operates by laws of optimization along the lines of Hamilton's principle in the realm of physics is countered by views such as idealism, realism, and philosophical pessimism. Philosophy often link the concept of optimism with the name of Gottfried Wilhelm Leibniz, who held that we live in the best of all possible worlds (le meilleur des mondes possibles) The concept was also reflected in an aspect of Voltaire's early philosophy, one that was based on Isaac Newton's view that described a divinely ordered human condition. This philosophy would also later emerge in Alexander Pope's Essay on Man.
Leibniz proposed that it was not God's power to create a perfect world, but he created the best among possible worlds. In one of his writings, he responded to Blaise Pascal's philosophy of awe and desperation in the face of the infinite by claiming that infinity should be celebrated. While Pascal advocated for making man's rational aspirations more humble, Leibniz was optimistic about the capacity of human reason to extend itself further.
This idea was mocked by Voltaire in his satirical novel Candide as baseless optimism of the sort exemplified by the beliefs of one of its characters, Dr. Pangloss, which are the opposite of his fellow traveller Martin's pessimism and emphasis on free will. The optimistic position is also called Panglossianism which became a term for excessive, even stupendous, optimism. The phrase "panglossian pessimism" has been used to describe the pessimistic position that, since this is the best of all possible worlds, it is impossible for anything to get any better. Conversely, philosophical pessimism might be associated with an optimistic long-term view because it implies that no change for the worse is possible. Voltaire found it difficult to reconcile Leibniz's optimism with human suffering as demonstrated by the earthquake that devastated Lisbon in 1755 and the atrocities committed by the pre-revolutionary France against its people.
Psychological optimalism, as defined by the positive psychologist Tal Ben-Shahar, means willingness to accept failure while remaining confident that success will follow, a positive attitude he contrasts with negative perfectionism. Perfectionism can be defined as a persistent compulsive drive toward unattainable goals and valuation based solely in terms of accomplishment. Perfectionists reject the realities and constraints of human ability. They cannot accept failures, delaying any ambitious and productive behavior in fear of failing again. This neuroticism can even lead to clinical depression and low productivity. As an alternative to negative perfectionism, Ben-Shahar suggests the adoption of optimalism. Optimalism allows for failure in pursuit of a goal, and expects that while the trend of activity is towards the positive, it is not necessary always to succeed while striving towards goals. This basis in reality, prevents the optimalist from being overwhelmed in the face of failure.
Optimalists accept failures and learn from them, encouraging further pursuit of achievement. Ben-Shahar believes that optimalists and perfectionists show distinct motives. Optimalists tend to have more intrinsic, inward desires, with a motivation to learn, while perfectionists are highly motivated by a need to prove themselves worthy consistently.
Two additional facets of optimalism have been described: product optimalism and process optimalism. The former is described as an outlook that seeks to realize the best possible result, while the latter seeks maximization of the chances of achieving the best possible result.
Some sources also distinguish the concept from optimism since it does not focus on how things are going well but on whether things are going as well as possible.
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