It is not the cartoons that make your kids smack playmates or violently grab their toys but, rather, a lack of social skills, according to new research.
… previous results have suggested that children on average reach a peak of violent behavior (biting, scratching, screaming, hitting…) around 18 months of age. The level of aggression begins to taper between the ages of two and five as they begin to learn other, more sophisticated ways of communicating their needs and wants.
So says this article from Scientific American.
Taming Baby Rage: Why Are Some Kids so Angry?
New research indicates babies are born with violent tendencies that most learn to control By Nikhil Swaminathan