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Abstract Although cognitive ability and conscientiousness have been found to predict work-related performance, less is known about whether and when certain mediating variables help explain these relationships. This study examined meta-analytically whether self-efficacy mediates the cognitive ability-performance and conscientiousness-performance relationships, and whether task complexity moderates the extent to which self-efficacy mediates these relationships. Results indicated that cognitive ability and conscientiousness positively relate to self-efficacy, but that the magnitude of these relationships varies with task complexity. Furthermore, results showed that self-efficacy mediates the relationships of cognitive ability and conscientiousness with performance on simple tasks, but not on complex tasks. Implications and directions for future research are discussed.
Chen et al. (Wed,) studied this question.