Psychoticism
From The Art and Popular Culture Encyclopedia
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Psychoticism is one of the three traits used by the psychologist Hans Eysenck in his P-E-N model (psychoticism, extraversion and neuroticism) model of personality.
High levels of this trait were believed by Eysenck to be linked to increased vulnerability to psychoses such as schizophrenia. He also believed that blood relatives of psychotics would show high levels of this trait, suggesting a genetic basis to the trait.
Critics of the trait have suggested that the trait is too heterogeneous to be taken as a single trait. For example, In a correlation study by Donald Johnson (reported in 1994 at the APT International Conference) Psychoticism was found to correlate with Big Five traits Conscientiousness and Agreeableness; (which in turn correlated strongly with, respectively, MBTI Judging/Perceiving, and Thinking/Feeling). Thus, Costa and McCrae believe that agreeableness and conscientiousness (both which represent low levels of psychoticism) need to be distinguished in personality models. Eysenck also argued that there might be a correlation between psychoticism and creativity.
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