Communication apprehension can lead to professional challenges for individuals, teams, and organizations. This is the first study of communication apprehension that involved a randomized national survey of working adults in the United States and captured broad representation in terms of age, gender, race/ethnicity, managerial status, and other…

Personality and motivation have been identified as influential variables associated with foreign language learning; however, few studies have investigated their effect on oral presentations. This study addresses the importance of both personality and motivation in students' collaborative oral presentation performance. A Big Five personality trait…

Purpose: To examine the proposal that introversion predictably influences extralaryngeal and vocal behavior in vocally healthy individuals compared with individuals with extraversion and whether differences are of a nature that may support a risk hypothesis for primary muscle tension dysphonia. Method: Fifty-four vocally healthy female adults…