Someone just got hit by a car, what do you do? Do you decide to sit back and watch simply because everyone else who is around will handle the situation? This is what many tend to do resulting in the bystander effect. This social psychological effect is described when an individual doesn't offer any help in an emergency when others are present. This problem is inversely related to the number of bystanders which simply means the greater number of bystanders, the less likely that anyone will act and help.
I found an article on CNN which explained that two years ago a fifteen year old girl from California was gang raped, which preceded to her getting beat outside the homecoming dance at the school. Hundreds of students gathered in the gymnasium at the school for the dance and in a dim lit alley outside the victim was being raped. The title of the article was called "Gang rape raises questions about bystanders' role", which is easily getting at the bystander effect. Some witnesses took photos, but others preceded to laugh. As more and more people found out about this event, people came to see and some even began to participate. Other than such a disturbing event such as this one, people need to come to realize that doing something simply like dialing for the police can help out any given situation by a ton.