Improving intergroup relations

• Social categorization of others into ingroups and outgroups fuels intergroup bias.
• Recategorization into a common ingroup identity reduces bias in attitudes.
• One particularly effective intervention is intergroup contact.
• Group status influences outcomes of commonality- and contact-based interventions.
• Besides attitudes, interventions need to target concrete actions for social change.

Understanding the psychological processes that shape intergroup relations and sometimes fuel bias and conflict can help inform interventions to improve intergroup relations. This article examines psychological processes of social perception and cognition that are integral to intergroup relations and discusses how these forces can be redirected to improve intergroup relations, often through the experience of positive intergroup contact. We further consider how members of socially advantaged and disadvantaged groups may respond differently to interventions, and how a focus primarily on promoting positive intergroup attitudes may fall short of ameliorating structural inequality between groups. We identify current conceptual and practical challenges and suggest directions for future research.