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Cognitive Ability, Job Knowledge, And Stereotype Threat: When Does Adverse Impact Result?, Mark V. Palumbo

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This research compared the efficacy of a cognitive ability test and two types of job knowledge tests for predicting job performance. Further, I examined job knowledge as a mechanism through which cognitive ability affects performance. Finally, I examined both types of tests relative to specific propositions from stereotype threat theory. Specifically, I examined the propositions that perceptions of the tests may cause mean score differences between Blacks and Whites and compared the effects of test perceptions relative to both test types. Results demonstrated that job knowledge accounted for significantly more variance in task performance than cognitive ability. Furthermore, job knowledge …