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Drawing on an explicit model of emotion, we propose a multifaceted approach to emotional expressivity, defined as the behavioral (e.g., facial, postural) changes associated with emotion. Study 1 shows that self-reported expressivity has 3 facets (Impulse Strength, Negative Expressivity, Positive Expressivity). Study 2 shows that the same 3 facets emerge in peer ratings and that there are robust relations between self- and peer-rated expressivity. In Study 3, emotion-expressive behavior was videotaped and related to expressivity self-reports obtained several months earlier. As expected, Negative Expressivity predicted behavioral expressions of sadness (but not amusement), whereas Positive Expressivity predicted amusement (but not sadness). These relations remained even when subjective emotional experience and physiological response were controlled. These studies demonstrate the importance of a multifaceted approach to emotional expressivity and have implications for the understanding of personality and emotion.
Gross et al. (1997) studied this question.