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A cross-validation study is reported in which both personality variables and cognitive ability variables were evaluated as predictors of two separate performance criteria in a sample of 450 Master of Business Administration students. Whereas verbal and quantitative aptitudes of the students were found to be strong predictors of performance at written work, they were weak predictors of an in-class performance criterion. The opposite was true when specific personality trait variables were used as predictors. The personality characteristics of the students predicted classroom performance better than they predicted written performance. The Big Five factors of personality (Extraversion, Agreeableness, Conscientiousness, Neuroticism, and Openness to Experience) did not predict either criterion consistently
Rothstein et al. (1994) studied this question.
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