No study has ever found a negative relation among prejudice attitudes

Evidence

There seems never to have been a report of a negative relationship. Response set has certainly magnified the size of these relations but, from the evidence, the effects of response set are not great enough completely to wash out the relations. Finally, some of the findings of the questionnaire study were replicated in the projectives study and, while this latter work has its own deficiencies, some account must be taken of the convergence in the two sets of data. — John T. Jost and Jim Sidanius, Political Psychology, 644