Trait theory

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In psychology, trait theory (also called dispositional theory) is an approach to the study of human personality. Trait theorists are primarily interested in the measurement of traits, which can be defined as habitual patterns of behavior, thought, and emotion.^[1] According to this perspective, traits are aspects of personality that are relatively stable over time, differ across individuals (e.g. some people are outgoing whereas others are not), are relatively consistent over situations, and influence behaviour. Traits are in contrast to states, which are more transitory dispositions.

Some traits are something a person either has or does not have. In other traits, such as extraversion vs. introversion, each person is judged to lie along a spectrum.

Trait theory suggests that some natural behaviours may give someone an advantage in a position of leadership.^[2]

There are two approaches to define traits: as internal causal properties or as purely descriptive summaries. The internal causal definition states that traits influence our behaviours, leading us to do things in line with that trait. On the other hand, traits as descriptive summaries are descriptions of our actions that do not try to infer causality.^[3]