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The Impact of Contextual Self-Ratings and Observer Ratings of Personality on the Personality–Performance Relationship

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  • 1This study was presented as a poster at the Annual Conference of the Society for Industrial and Organizational Psychology in April 2002.

Abstract

This study examined 2 possible ways of increasing the predictive validity of personality measures: using observer (i.e., supervisor and coworker) ratings and work-specific self-ratings of Big Five personality factors. Results indicated that among general self-ratings of Big Five personality dimensions, Conscientiousness was the best predictor of in-role performance, and Agreeableness and Emotional Stability were the best predictors of organizational citizenship behavior (OCB). Observer ratings of personality accounted for incremental variance in job performance (in-role performance and OCB) beyond that accounted for by general self-ratings. However, contrary to our expectations, work-specific (i.e., contextual) self-ratings of personality generally did not account for incremental variance in job performance beyond that accounted for by general self-ratings.

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