How is this news? What the f*** N4G?
Assuming video games cause violence (which I don't agree with), your statement still doesn't follow because video games are not the ONLY cause of violence - there are other causes of violence other than video games, such as greed or thirst for power.
Common sense does not require a study? If you say so, then you must be certain of the relationship of video games to violent behaviour, if there exists such a relationship.
You mentioned that video games MAY contribute or amplify violent behaviour. So you are not sure about the relationship.
This study addresses your concerns by demonstrating that violent video games may not influence violent behaviour.
Common sense would tell you to take...
Claiming that sex appeal is what is selling DOA5 does not detract from the fact that DOA series is a great fighting series. Yes it is a greater fighter, and undoubtedly without the sex appeal it would also sell well. But with the sex appeal it will sell much better.