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A total of 74 Ss were induced to adopt expressions of fear, anger, disgust, and sadness in Experiment 1. Each expression significantly increased feelings of its particular emotion compared with at least two of the others, a result that cannot be explained by a single dimension. Postures should play the same role in emotional experience as facial expressions. However, the demonstrated effects of postures (Riskind, 1984) could also represent a single dimension of variation. In Experiment 2, subjects were induced to adopt postures characteristic of fear, anger, and sadness. Again, the effects were specific to the postures. These two studies indicate that emotional behavior produces changes in feelings that specifically match the behavior.
Duclos et al. (Sat,) studied this question.