"This dissertation presents extensive evidence related to convergent and discriminant validity of integrity tests in general. The results from both the primary data analyses, and the meta-analyses display significant convergent validity for all integrity tests. The presence of a general factor across integrity tests is confirmed. Of the Big Five dimensions of personality, conscientiousness was found to have the most overlap with integrity tests. However, a more accurate identification of counterproductive individuals is possible by considering scores on agreeableness and emotional stability. It appears that the higher predictive validity of integrity tests arise from the fact that they tap constructs broader than just narrow and construct limited conscientiousness as measured by mainstream personality inventories. With integrity tests, the increased breadth of predictor construct coverage translates itself into better prediction in personnel selection."
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