In many species, under varying ecological conditions, social interactions among individuals result in the formation of dominance hierarchies. Despite general similarities, there are robust differences among dominance hierarchies across species, populations, environments, life stages, sexes, and individuals. Understanding the proximate mechanisms underlying the variation is an important step tow...

Previous research in multi-ethnic societies has shown that people rank, or form hierarchies of, the ethnic groups on the basis of social distance. Based on self-report data from a community sample (N1⁄4 150 non-psychology students), this study examined (1) the correspondence of ratings and rankings of six ethnic target groups among various subgroups of participants (Swedish and immigrant men an...

Abstract Research on dynamics within the European Parliament frequently draws group‐based explanations – such as parties and national affiliations for behaviour of its members. Hence, there is a growing interest in question how policy issues trigger salience group memberships whether partisan or which them rank higher when voting issues. This article provides answers to these questions by prese...

Every human society includes social hierarchies— relationships between individuals and groups of unequal rank or status. Recent research has shown that even preverbal infants represent hierarchical relationships, expecting larger agents and agents from larger groups to win dominance contests. However, to successfully navigate social hierarchies, infants must also integrate information about soc...

Usenet is a widely popular system for organizing and distributing asynchronous discussions, but the newsgroup hierarchies and messages ÒthreadsÓ of Usenet do little to assist users in navigating through the hundreds of thousands of messages that appear on a single day. Messages may be cross-posted to newsgroups in different, even unrelated hierarchies, and threads wander off-topic as people fol...

C hildren around the world are affected by discrimination and social exclusion due to their age, race, ethnicity, gender, religion, indigenous background, or other statuses. When considering the negative consequences of discrimination and social exclusion on children’s development and well-being, it is of paramount importance to examine the psychological origins of prejudice and discrimination ...