Abstract
The present study was designed to investigate relationships among three basic models used in research on personality description: Wiggins's (1979) Circumplex, Goldberg's (1992) Big-Five, and Mehrabian's (1978, 1980) PAD Temperament models. Wiggins's Nurturance and Dominance scales were highly reliable and nearly independent, as were Mehrabian's Trait Pleasure, Trait Arousability, and Trait Dominance scales. The Big-Five scales exhibited lower reliabilities and an average interscale correlation of .21 for the Opaque and .39 for the Transparent scales. Regression and factor analyses showed that basic factors of pleasantness (Goldberg's Agreeableness, Wiggins's Nurturance, and Mehrabian's Trait Pleasure), dominance (Wiggins's Dominance and Mehrabian's Trait Dominance), and arousability (Mehrabian's Trait Arousability) provided a sufficient and reasonably parsimonious description of the variance in all the scales investigated.

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