The interpersonal circumplex is a model for conceptualizing, organizing, and assessing interpersonal behavior, traits, and motives. It is defined by two orthogonal axes: a vertical axis (of status, dominance, power, or control) and a horizontal axis (of solidarity, friendliness, warmth, or love).
In recent years, it has become conventional to identify the vertical and horizontal axes with the broad constructs of agency and communion. Thus, each point in the interpersonal circumplex space can be specified as a weighted combination of agency and communion.
Placing a person near one of the poles of the axes implies that the person tends to convey clear or strong messages (of warmth, hostility, dominance or submissiveness). Conversely, placing a person at the midpoint of the agentic dimension implies the person conveys neither dominance nor submissiveness (and pulls neither dominance nor submissiveness from others). Likewise, placing a person at the midpoint of the communal dimension implies the person conveys neither warmth nor hostility (and pulls neither warmth nor hostility from others).
Originally coined ‘Leary Circumplex’ or ‘Leary Circle’ after Timothy Leary, it is defined as ‘a two-dimensional representation of personality organized around two major axe.’ During the twentieth century, there were a number of efforts by personality psychologists to create comprehensive taxonomies to describe the most important and fundamental traits of human nature. Leary would later become famous for his controversial LSD experiments at Harvard. His circumplex, developed in 1957, is a circular continuum of personality formed from the intersection of two base axes: Power and Love. The opposing sides of the power axis are dominance and submission, while the opposing sides of the love axis are love and hate.
Leary argued that all other dimensions of personality can be viewed as a blending of these two axes. For example, a person who is stubborn and inflexible in their personal relationships might graph her personality somewhere on the arc between dominance and love. However, a person who exhibits passive–aggressive tendencies might find herself best described on the arc between submission and hate. The main idea of the Leary Circumplex is that each and every human trait can be mapped as a vector coordinate within this circle.
The Daily Omnivore 
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