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The psychometric properties of Antonovsky’s Sense of Coherence (SOC) Scale were examined. Subjects (N= 374) completed the SOC scale and a battery of theoretically relevant questionnaires. Principal-components analysis with a Varimax–Promax rotation produced a solution with 5 factors, which were further reduced to 1 factor, suggesting that the SOC scale is a unidimensional instrument. Additional analyses indicated satisfactory internal consistency as well as test–retest reliability at 1 and 2 weeks. Evidence for the validity of the SOC scale was obtained in that nonclinical subjects obtained higher SOC scores than did clinical subjects. Additional validity evidence was provided by negative correlations between SOC scores and self-reports of (a) perceived stress,(b) trait anxiety, and (c) current depression. Discriminant evidence for the validity of the SOC scale was mixed.