We report on the development of a short measure of the Big Five model of personality. In Study 1, we created three versions (15, 20, and 25 items) of the Trait Self-Descriptive Inventory (TSD), a Big Five personality measure developed by CitationTupes and Christal (1992). These short measures were confirmed using confirmatory factor analysis in Study 2. Studies 3 and 4 compared the predictive validity of a 75-item TSD against that of the shortened scales. Results suggest that a 20-item version (the OCEAN.20) is a useful, short, and psychometrically sound measure of the Big Five suitable for use in organizational research.
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O’Keefe et al. (2012) studied this question.
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