Individual-difference and intergroup approaches to prejudice have remained disconnected since Allport.

Evidence

The other has seen prejudice as a group or intergroup phenomenon determined by intergroup dynamics and processes. Allport himself believed that different approaches and levels of analysis would need to be integrated into broader models for prejudice to be adequately understood. However, since the publication of his book there has been little connection or crossfertilization between these two major approaches, with each characterized by different theories, research interests, and strategies. — , Rudman, Laurie A - On the Nature of…, 2491