As evaluation in higher education receives increasing attention, the assessment of the impact of basic oral communication instruction is becoming more important. This study examines the impact of a public speaking course on undergraduates\u27 affective and behavioral competence. Using a pre- and posttest model, assessment was based on administration of the Communication Competency Assessment Instrument and the Rosenberg Self-Esteem Scale at the beginning and end of the course. Communication competence and self-esteem were measured as a function of communication apprehension, gender, age, and ethnicity. Results indicated that the course generally impacted similarly on students regardless of their level of communication apprehension, gender, age or ethnicity