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Sensation seeking is a personality trait defined by the search for experiences and feelings, that are "varied, novel, complex and intense", and by the readiness to "take physical, social, legal, and financial risks for the sake of such experiences.". Risk is not an essential part of the trait, as many activities associated with it are not risky. However, risk may be ignored, tolerated, or minimised and may even be considered to add to the excitement of the activity. The concept was developed by Marvin Zuckerman of the University of Delaware. In order to assess this trait he created a personality test called the Sensation-Seeking Scale. This test assesses individual differences in terms of sensory stimulation preferences. So there are people who prefer a strong stimulation and display a behavior that manifests a greater desire for sensations and there are those who prefer a low sensory stimulation. The scale is a questionnaire designed to measure how much stimulation a person requires and the extent to which they enjoy the excitement. Zuckerman hypothesized that people who are high sensation seekers require a lot of stimulation to reach their Optimal Level of Arousal. When the stimulation or sensory input is not met, the person finds the experience unpleasant.
Sensation-seeking can be divided into 4 traits:
Zuckerman began researching the personality trait he came to call "sensation seeking" in 1969. Zuckerman argues that sensation-seeking is one of a handful of "core traits" that can be used to describe human personality. Although, other researchers including Eysenck, and Costa and McCrae considered the trait to be related to extraversion, factor-analytic studies conducted by Zuckerman suggest that sensation seeking is relatively independent of other major dimensions of personality. A number of studies have found positive correlations between sensation seeking, especially the experience seeking component, and openness to experience. Additionally,negative correlations have been found between agreeableness from the NEO-PI-R and total sensation seeking, and the boredom susceptibility and disinhibition subscales.
In Zuckerman's alternative five model of personality, sensation seeking has been incorporated as a facet of the broader trait of impulsive sensation seeking. Within Eysenck's "Big Three" model of personality, impulsive sensation seeking is most strongly related to psychoticism and within the Big Five personality traits it is primarily related to (low) conscientiousness. Sensation-seeking has a strong correlation with the Novelty Seeking scale of Cloninger's Temperament and Character Inventory. Furthermore, he presents convincing evidence that this characteristic has a strong genetic component nearly as strong as that for intelligence. So, sensation-seeking parents are likely to have sensation-seeking children.
Zuckerman's research has found that high sensation seekers tend to seek high levels of stimulation in their daily lives. The scale predicts how well people tolerate sensory deprivation sessions. Sensation seeking increases with age from childhood to adolescence. It then starts to decreases after it peaks in the late adolescence years of 18-20. The correlation is -.30 between age and sensation seeking. However, boredom susceptibility remains stable across the life span, unlike the other facets of sensation seeking.
Substantial gender differences have been found in sensation seeking, with males scoring significantly higher than females. In American samples, males significantly outscored females in total sensation seeking, thrill and adventure seeking, boredom susceptibility, and disinhibition. Studies in Australia, Canada, and Spain found similar gender differences in total sensation seeking, thrill and adventure seeking and boredom susceptibility.
Marital status is also related to sensation seeking, as studies have found that divorced males tend to be higher in the trait compared to single or married men.
Sensation seeking is related to driving speed, with both males and females high in sensation seeking more likely to engage in speeding. High sensation seekers are more likely to ignore traffic rules and engage in high risk behaviours associated with accidents and/or crashes resulting in driver injuries.
Alcohol use has been linked to sensation seeking, especially the disinhibition and experience seeking subscales. Peer influences and sensation seeking appear to mutually reinforce each other in their influence on substance use. Research has found that peer sensation seeking levels are predictive of drug use. Furthermore, individuals are likely to associate with peers whose sensation seeking levels are similar to their own, further influencing drug and alcohol use.
High sensation seekers tend to engage in high risk sexual behavior such as having multiple sexual partners, and failing to use condoms to protect themselves against disease. They also tend to have permissive sexual attitudes. Risky sexual behaviour is particularly related to the disinhibition facet of sensation seeking. High sensation seekers are also more likely to be unfaithful to partners whilst in a committed romantic relationship.
High sensation seekers prefer listening to arousing music such as hard rock rather than classical instrumental. High sensation seekers are also more likely to enjoy surreal paintings over representational ones or unpleasant art forms (defined as presence of violent or aggressive content or themes of death and despair).
Sensation seekers tend to prefer occupations involving novel, stimulating, and unconventional activities and unstructured tasks requiring flexibility. Low sensation seekers tend to prefer more structured, well-defined tasks involving order and routine. Males high in sensation seeking tend to choose scientific and social service professions. Among females, traditional vocations (e.g. housewife or home economics teacher) tend to be associated with low sensation seeking.