You may have read about the effects violent television shows and video games can have on children, but you know the solution isn't simply to unplug everything. The key for parents, says Dr. David Walsh, founder and president of the nonprofit National Institute on Media and the Family, is to be informed and involved when choosing the electronic environments where kids play and learn.

Dr. Dave's Cyberhood helps parents take stock of the growing number of films, TV shows, video games, music, and web sites that stream into their homes every day. With Dr. Dave as a guide, you can