Perfectionism, in psychology, is a personality trait characterized by a person's striving for flawlessness and setting high performance standards, accompanied by critical self-evaluations and concerns regarding others' evaluations. It is best conceptualized as a multidimensional characteristic, as psychologists agree that there are many positive and negative aspects. In its maladaptive form, perfectionism drives people to attempt to achieve an unattainable ideal while their adaptive perfectionism can sometimes motivate them to reach their goals. In the end, they derive pleasure from doing so. When perfectionists do not reach their goals, they often fall into depression.
Perfectionists strain compulsively and unceasingly toward unobtainable goals, and measure their self-worth by productivity and accomplishment. Pressuring oneself to achieve unrealistic goals inevitably sets the person up for disappointment. Perfectionists tend to be harsh critics of themselves when they fail to meet their standards.
Dr. Hamachek in 1978 argued for two contrasting types of perfectionism, classifying people as tending towards normal perfectionism or neurotic perfectionism. Normal perfectionists are more inclined to pursue perfection without compromising their self-esteem, and derive pleasure from their efforts. Neurotic perfectionists are prone to strive for unrealistic goals and feel dissatisfied when they cannot reach them. Hamachek offers several strategies that have proven useful in helping people change from maladaptive towards healthier behavior. Contemporary research supports the idea that these two basic aspects of perfectionistic behavior, as well as other dimensions such as "nonperfectionism", can be differentiated. They have been labeled differently, and are sometimes referred to as positive striving and maladaptive evaluation concerns, active and passive perfectionism, positive and negative perfectionism, and adaptive and maladaptive perfectionism. Although there is a general perfectionism that affects all realms of life, some researchers contend that levels of perfectionism are significantly different across different domains (i.e. work, academic, sport, interpersonal relationships, home life).
Others such as T. S. Greenspon disagree with the terminology of "normal" vs. "neurotic" perfectionism, and hold that perfectionists desire perfection and fear imperfection and feel that other people will like them only if they are perfect. For Greenspon, perfectionism itself is thus never seen as healthy or adaptive, and the terms "normal" or "healthy" perfectionism are misnomers, since absolute perfection is impossible. He argues that perfectionism should be distinguished from "striving for excellence", in particular with regard to the meaning given to mistakes. Those who strive for excellence can take mistakes (imperfections) as incentive to work harder. Unhealthy perfectionists consider their mistakes a sign of personal defects. For these people, anxiety about potential failure is the reason perfectionism is felt as a burden.