Immigration is a highly polarized issue in the United States, and negative attitudes toward immigrants are common. Yet, almost all Americans are descended from people who originated outside the United States. Can this common history overcome the intense polarization that migration policy...

Existing research has shown how easily individuals are moved to harbor exclusionary attitudes toward out-group members. Can we foster inclusion instead? This paper leverages the ongoing Syrian refugee crisis – one of the most significant humanitarian crises of our time – to test whether and...