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In previous research argumentativeness and verbal aggressiveness have been conceptually differentiated. This study sought to determine the effect of each concept on the image of participants in an actual public argument, the CBS news interview of George Bush by Dan Rather in January, 1988. Results indicate that both argumentativeness and verbal aggressiveness have a significant relationship to communicator image, but unexpected results occur when comparing the images of the two participants. Verbal aggressiveness negatively affected Bush's communicator image, but positively influenced Rather's. Results also suggest differences in the effects of argumentativeness and verbal aggressiveness on specific characteristics of communicator image.

The purpose of these investigations was to provide normative data regarding the use of certain verbal behaviors manifested by college teachers. Results of Study One indicated that usage of humor, self‐disclosure, and narratives by fifty‐seven college teachers was frequently relevant to course content and utilized to clarify course material. Results of Study Two suggested that award winning teachers utilized these same verbal behaviors also in relation to course content and clarification of course material. Post‐hoc comparative analyses of the results for Study One and Study Two indicated that significant differences in the average use of humor, self‐disclosure, and narratives existed between the two groups. However, results of Aspin‐Welch t‐tests also indicated no significant differences between the two groups of teachers in relation to the purpose in the use of these verbal behaviors (e. g. relevant to course content; clarification of course material). Implications are also discussed.