... by factor analysis. These analyzes identified aggression measures in terms of direct aggression, displaced aggression and indirect aggression. The model has established inner consistency, reliability and validity. Furthermore, the impact of age and gender on different forms of aggression was explored...

... School, Lake Eyasi, Mangola in Northern Tanzania, in 2005‐2006. The final sample included 219 children, ranging from 7 to 20 years of age. No sex differences were found in self‐ratings or frequency of occurrence of physical, verbal and indirect aggression in Iraqw children and adolescents, or in self...

... differences were found on indirect aggression, strictly defined, wherein aggressors must take steps to hide their identities and may use others as vehicles to deliver the harm. Identifying a new subcategory of aggression: sex differences in direct non-verbal aggression Gary Schober, Kaj Björkqvist and Sari...