The Advances in Experimental Social Psychology series is the premier outlet for reviews of mature, high-impact research programs in social psychology. Contributions to the series provide defining pieces of established research programs, reviewing and integrating thematically related findings by individual scholars or research groups. Topics discussed in Volume 66 include Regional Intergroup Bias, Social and Cognitive Dynamics of Cooperation, Grounding Motivation for Behavior Change, Motivated Empathic Choices, and Confronting Intergroup Bias.