As a parent you may see your child on a social networking site and fear predators or cyberbullying, but a new study says that's very much the exception and not the norm.

The Pew Internet and American Life Project found that nearly seven out of ten teens asked about their experiences on those sites say they've been positive.

20% admitted there are exchanges they would call unfriendly.

Amanda Lenhart, one of the authors of the study says the research doesn't sugar coat the fact that your child could come upon negative elements online, and a parental heads up is a wise precursor to that.

The study was released at the Family Online Safety Institute conference in Washington.