Whether or not exposure to media violence causes increased levels of aggression and violence in young people is the perennial question of media effects research. Some experts, like Dora, B. and Martin, N., doctors of Children¡¯s Trauma Clinic, Royal Free Hospital, say in British Medical Journal that occasional view violence programs do no harm to most children while an article in the Lancet argues that television violence can lead to harmful aggression behavior.

According to Dora, b. and Martin, N., although studies have established the connection between TV violence and the level of aggression in some children and young people, the causation has not been proved. They point out that there are four ways television violence may affect children, which are imitating, reduction inhibitions, desensitizing to violence and increasing arousal. Viewing violent program not the only factor that violent behavior,

The Lancet gives some advice as well. Public health demands public education. It suggests that children should be taught ¡°media literacy¡± to understand both fictions and effects of media violence, meanwhile, parents and teachers can be taught to select suitable program for their children.

because viewing violence and increased aggression are ¡°interactive affect each other¡± and be ¡°stimulated by other factors¡±.

Comparing these two articles, both of them have clearly opinions and positions. However, there is a flaw in the Lancet¡¯s article. Its opinion is reject TV violence, but it does not focus on supporting its opinion with reasonable statement and example, instead, it pays most attention to discuss the U.S.¡¯s rating system. Although Dora, B. and Martin, N.¡¯s article also has weak point, which is lacking of examples and evidences, their support statements is very clear and focus on their main points.

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