Examines the relationships among nonverbal behaviors, dimensions of source credibility, and speaker persuasiveness in a public speaking context. Finds numerous associations between nonverbal behaviors and attributions of credibility and persuasiveness. Discusses advantages of analyzing nonverbal cues according to proximal precepts. (SR)

Measures heart rates of both anxious and nonanxious speakers under both high- and low-intensity conditions. Finds that heart rates of anxious speakers were significantly higher than those of nonanxious speakers when both performed under low-intensity conditions but that heart rates were not different for anxious and nonanxious speakers when…

Contrasts the relationships between the communication apprehension construct and its two most common operationalizations--the 20- and 25-item versions of the Personal Report of Communication Apprehension (PRCA). Concludes that the PRCA may be valuable as an indirect measure of evaluation apprehension, but not of oral communication apprehension.…