Previous research has found shy and not‐shy individuals differ in their self‐perceptions of their social skills (Clark & Arkowitz, 1975) and their social communication competence (Kelly & Duran, 1984). These studies do not provide information as to the specific dimensions of communication performance on which shy and not‐shy groups’ self‐perceptions differ. Therefore, the purpose of this study was to investigate specific differences in self‐reports of shy and not‐shy individuals regarding their communication behavior. Six dimensions of communicative performance, as measured by the Communicative Adaptability Scale (Duran, 1983), were examined: social composure, social confirmation, social experience, appropriate disclosure, articulation, and wit. Results indicate that shy and not‐shy participants differed significantly on social composure, articulation, and social experience. Shy participants reported being less socially relaxed, having more problems of articulation, and having fewer social experiences. Th...