This study examined the interactive effects of injunctive norm exposure and hostile and benevolent sexist attitudes on men's sexually aggressive responses during a behavioral analogue paradigm in which they interacted online with a bogus female partner. Heterosexual adult men (n = 201), recruited from an online sample, read fictional information regarding other men's approval of misogynistic, p...

Research has identified appetitive aggression, i.e., the perception of committed, violent acts as appealing, exciting and fascinating, as a common phenomenon within populations living in precarious and violent circumstances. Investigating demobilized soldiers in the Democratic Republic of Congo (DRC) demonstrated that violent offending is associated with appetitive aggression and not necessaril...

background: aggression is a kind of behavior that causes damage or harm to others. the prevalence of aggression is 8–20% in 3–6 years old children. the present study aimed to assess the effect of training kindergarten teachers regarding reinforcement behavior therapy on preschoolers’ aggression. methods: in this cluster randomized control trial, 14 out of 35 kindergarten and preschool centers o...

Although the study of relational aggression is gaining attention in the literature, little is known about the underlying causes of this behavior and the relative validity of various informants. These issues were addressed in a sample of 1,981 6- to 18-year-old twin pairs (36% female, 34% male, 30% opposite-sex). Relational aggression was assessed via maternal and self-report using a structured ...

Problems in species recognition are thought to affect the evolution of secondary sexual characters mainly through avoidance of maladaptive hybridization. Another, but much less studied avenue for the evolution of sexual characters due to species recognition problems is through interspecific aggression. In the damselfly, Calopteryx splendens, males have pigmented wing spots as a sexual character...

this study aimed to examine the relationship between anger rumination and aggression in a sample of iranian athletes. a correlational analysis was performed to assess the kind of association between four subscales of anger rumination (angry afterthoughts, thoughts of revenge, angry memories, and understanding of causes) and different aspects of competitive aggression and aggressive behavior inc...

background: nowadays computer games are one of the main entertainments for children and adolescents. there are different results about positive and negative impacts of these games. the aim of this study was the survey of relationship between playing computer games and aggression in guidance school students of kermanshah city in 2012. methods: in this cross sectional study, 573 student selected ...

The fairplayer.manual is a manualized, school-based intervention program to prevent bullying and relational aggression. We present first results from an evaluation study conducted in Berlin (Germany) with 119 students (age 14-17) from a comprehensive school using a controlled pre-/post-/follow-up design. Utilizing standardized questionnaires we found a significant and practically relevant decre...

The social science literature contains numerous examples of human tribalism and parochialism-the tendency to categorize individuals on the basis of their group membership, and treat ingroup members benevolently and outgroup members malevolently. We hypothesize that this tribal inclination is an adaptive response to the threat of coalitional aggression and intergroup conflict perpetrated by 'war...

Although cats are a social species and capable of living together in groups of several cats, intercat aggression is a common behavioral problem. Intercat aggression can be classified as status-related, fear- related, play-related, redirected and can also be due to the addition of a new cat to an existing group. Socialization of kittens, choice of the right cat for a multicat household, and the ...