Even if ESRB  has reported that the number of parents using the rating scheme for video games are increasing, there's still a lot more out there that are still unsure what to do with the said ratings.

According to Cheryl Olson and Lawrence Kutner, authors of Grand Theft Childhood, parents more often than not ignore these ratings. Read more on this in the full article.

The ongoing question of whether or not violent videogames do affect kids may finally have been answered. Through years of exhaustive, dedicated research, Lawrence Kutner, PhD and wife Cheryl K. Olson, ScD, have found out that while violent videogames can be considered something of a risk for those who play it all day, it's the kids who don't play videogames that are more liable to act on their aggressive tendencies. All the details you want are in the full article.