Although the Revised Cheek and Buss Shyness Scale (RCBS; Cheek, 1983) is widely used, its psychometric properties largely are unknown. In this investigation, we examined the normative data, factor structure, internal consistency, test-retest reliability, and convergent/discriminant validity of the RCBS using a sample of 261 university students. Results provided strong support for the stability of normative data over time, reliability of the measure, and its predicted associations with contemporary measures of shyness, social anxiety, and related constructs. Although support was obtained for a unifactorial conceptualization of shyness, an exploratory factor analysis revealed an alternative 3-factor solution that was supportive of a previously proposed meta-analytic model of shyness (Jones, Briggs, & Smith, 1986) and was consistent with other prominent shyness theories (Buss, 1980; Pilkonis, 1977a, 1977b; Zimbardo, 1977). This factor model was replicable on a holdout sample, and there were some data to support the discriminant validity of factors.