Blood revenge is one of the most commonly cited causes of violence and warfare in tribal societies, yet it is largely ignored in recent anthropological theories of primitive warfare. A theory of tribal violence is presented showing how homicide, revenge, kinship obligations, and warfare are linked and why reproductive variables must be included in explanations of tribal violence and warfare. St...

Children and adolescents encounter different hurtful experiences in school settings. How these events are processed (e.g., whether they think that the transgressor was hostile) is likely to depend on the relationship with the transgressor. In this study, we examined how adolescents (58 girls and 35 boys, mean age=14.03 years, SD=0.60) dealt with the hurt caused by someone they liked or disliked...