This chapter reviews conceptual and empirical work that attempts to establish the relation of intelligence to personality. It first offers a summary and critique of three dichotomies often used to distinguish intelligence from personality conceptually and then reviews empirical research on the relation of intelligence to a wide range of personality traits. Both conceptually and empirically, intelligence is most strongly related to the personality trait Intellect, which is measured in questionnaires through descriptions of intellectual engagement and perceived intellectual ability, and which is one of two major subfactors of the broad Openness/Intellect dimension of the Five Factor Model or Big Five. Nonetheless, various other personality traits are also related to intelligence, and the nature and implications of these associations are thoroughly discussed.
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