Academic Abstract In this narrative review, we examined 134 studies of the relationship
between intergroup contact and collective action benefiting disadvantaged groups. We …

We conducted three meta-analyses on 28 studies examining the role of ethnic and national
identity in outgroup attitudes, perception of discrimination against Kurds, and support for …

Previous research has shown that positive intergroup contact among disadvantaged group
members may predict a so‐called sedative effect according to which positive contact is …

Three studies tested whether witnessing incidents of racial discrimination targeting Black
people may motivate White people to engage in collective action for racial justice. In studies …

Schools are key contexts for the development of adolescents' critical consciousness. We
explored how three dimensions of the classroom cultural diversity climate (critical …

Renewable portfolio standards (RPS) and tradable green certificate (TGC) systems are
mandatory institutional change that promote the renewable energy development and …

The study of political polarization, in both its ideological and its affective expressions, has
garnered significantly more interest over the last years. But despite recent research on the …

Progressivism has increasingly challenged traditional liberalism as the dominant influence
within left-wing ideology. Across four studies, we developed a measure—the Progressive …

Despite an increase in social psychological research on allyship, less attention has been
paid to allyship action in violent intergroup conflict settings. In this contribution, first, we …

We tested, in three studies, whether the generalization of contact effects from primary to
secondary outgroups—the secondary transfer effect (STE)—occurs for collective action. The …