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Scientists at the Children’s Hospital of Philadelphia report in two studies that parents can significantly reduce the accident rate among teens simply by talking with them about driving and enforcing rules for safety. In 2005, the latest year for which the government has statistics on teen driving, adolescent deaths made up 12% of all deaths from car accidents, and 400,000 teens required treatment in an emergency department due to a motor-vehicle crash.
At first glance, the correlation between parental oversight and teen accident rates may seem obvious, but the research team was surprised by how much influence parental monitoring and communication actually had. In the new analysis, based on data from the National Young Driver Survey, a study of 5,665 students in grades 9 through 12, lead author Kenneth Ginsburg found that the safest drivers were those who reported that their parents had imposed strict rules on driving and also provided warm and supportive explanations for their rules.
In a second study, Ginsburg and another group reanalyzed the same data set and found that teens who considered themselves to be the primary driver of a vehicle were twice as likely to get into accidents as those who shared responsibility for a car or had to report totheir parents for each use. In the survey, 70% of kids reported that they were the main driver of a car, regardless of whether they owned the vehicle. This perception, says Ginsburg, can promote more irresponsible driving habits. "Kids who have easy access to the keys are probably less likely to have those protective conversations with their parents and talk about setting rules," he says. "If they don’t have to come home and return the keys or the car to someone, they are less likely to feel that what they are doing is closely watched, and they are less likely to watch or monitor themselves."
Most parents would probably say they talk to their teens about responsible driving, but Ginsburg notes specific techniques that the parents of the safest teen drivers tend to use. These include setting firm rules and boundaries for driving--such as no speeding, no talking on a cell phone or texting while on the road and no driving while intoxicated. Parents of safe drivers also tend to make it a point to explain to their children that the reason for their rules is to ensure the child’s safety.
Ginsburg also suggests that parents of new drivers adopt a version of the graduated licensing program that many states have in place. Rules include requiring a certain amount of experience before allowing teens to drive in bad weather or after dark during their first licensed year and prohibiting them from driving with other teens until they can demonstrate their ability to concentrate on the road and not get distracted by passengers.

Who were the safest drivers according to the new analysis by Kenneth Ginsburg（）

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