Negative effects of violent videogames proven

Killer Orca writes: It appears that violence in videogames has once and for all been definitively proven. A release from Iowa State University describes a study using meta-analytic procedures — the statistical methods used to analyze and combine results from previous, related literature — to confirm the findings. The original release is here http://www.news.iastate.edu/news/2010/mar/vvgeffects but attempts to find the study itself have proved fruitless only the journal it was published in http://www.apa.org/pubs/journals/bul/index.aspx