The history, development, and empirical foundations of the Career Decision Scale (CDS; Osipow, Carney, Winer, Yanico, & Koschier, 1976; 1987) are reviewed and summarized. The major research findings using the instrument are examined, along with its various uses in program planning, practice with special populations, and theory. Issues related to the instrument's use with women and men are briefly discussed, as are the cross-cultural applications of the measure. Finally, the controversy regarding the factor structure of the scale is reviewed.