During four decades, numerous school-based bullying prevention programmes have been developed and evaluated. Meta-analyses indicate that such programmes have positive average effects, as compared with treatment as usual. However, the effects are small to moderate, and they are especially weak among some specific groups, such as adolescents. After…

Cooperation is a fundamental human ability that seems to be inversely related to aggressive behaviour in typical development. However, there is no knowledge whether similar association holds for children with autism spectrum disorder. A total of 27 boys with autism spectrum disorder and their gender, age and total score intelligence matched…

Studied patterns of boys' social development by examining data from two longitudinal studies: a Finnish study of eight year olds begun in 1968; and a French Canadian study of six year olds begun in 1984. Patterns were identified using variables of aggression, hyperactivity, inattentiveness, anxiety, and lack of prosocial behavior. (LB)

A study assessed bullying and psychological disturbance among 5,813 elementary children in Finland. More boys than girls were found to be involved in bullying, and children involved in bullying, especially children who both bullied and were bullied, were psychologically disturbed. Bully victims were most likely to be referred for psychiatric…