Online intergroup contact and intergroup attitudes: A cross sectional and a longitudinal study of Greeks and Germans interacting on Twitter and Facebook Why do outsiders commend us? Reactions to group-based praise concerning morality or competence Social identity uncertainty during the Greek financial crisis: The role of media narratives Outgroup threat and opportunity to derogate: A social neuroscience approach Prolegomena toward integrating social psychological and communicative parameters of intergroup relations When voice signals nationality and sexual orientation: Speakers’ self-perceptions and perceived stigmatization The effects of situational contexts and occupational roles on listeners’ judgements on accented speech The semantic inflation of “trauma” in psychology The process and domain of intergroup communication: Mapping the field. Contexts and conditions of outgroup influence