Here are links to scientific research about behavior problems.
Researchers found that the way in which children understood the conflicts between their parents had different effects on their emotional and behavioural problems. Where children blamed themselves for the conflicts between their parents, they were more likely to have behavioural problems, such as anti-social behaviour.
Nearly two-thirds of U.S. adolescents have experienced an anger attack that involved threatening violence, destroying property or engaging in violence toward others at some point in their lives. These severe attacks of uncontrollable anger are much more common among adolescents than previously recognized, a new study led by researchers from Harvard Medical School finds.