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1989) The impact of communication apprehension on college student retention and success, Communication Quarterly, 37:2, 100-107,

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1986) The communication anxiety inventory: Validation of state-and context-communication apprehension, Communication Quarterly, 34:2,[194][195][196][197][198][199][200][201][202][203][204][205]

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Research reported here replicates Greene and Sparks (19830, 1983b) and their reconceptualization of communication apprehension (CA). Noting the limited empirical evidence in support of a trait/structure link with physiological output, this study applies action assembly theory to the problem. Differential heart rate curves are predictedfor high and low trait CA based on Greene's (1984) action assembly theory. Thestudy confirms a hypothesizedcubic heart ratefunctionfor low trait CA subjects and a quadratic heart rate function for high trait CA subjects. Results are interpreted as empirical support for an action assembly approach to communication anxiety.RECURRING problem in communication anxiety research concerns the relationship between "disposition/traits" (McCros-