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Study: Hands-Free Headsets Don't Improve Driving Safety

Hands-Free Headsets Aren't Safer for Drivers Than Holding Cell Phone
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WebMD Health News
Reviewed by Laura J. Martin, MD

Aug. 13, 2010 (San Diego) -- Ditch the phone if you drive. That's the bottom line of a new study that found using hands-free headsets while driving doesn't result in fewer accidents, echoing the results of many previous studies.

''When you are on the phone, you are only using part of your brain to drive," says researcher David Schwebel, PhD, vice-chair and professor of psychology at the University of Alabama, Birmingham, who presented the findings today at the annual meeting of the American Psychological Association in San Diego.

''My advice is not to talk on the phone while you are driving, ever," he says.

Eight states prohibit all drivers from using handheld cell phones while driving. Some states prohibit all cell phone use by novice drivers.

New Data on Hands-Free Headsets

Schwebel and colleagues evaluated the practices of 110 college students, with an average age of 20, who were asked to report their use of hands-free and handheld phones in general and while driving. They also reported the number of motor vehicle accidents and traffic citations over the past five years.

''There was not a statistical difference in those using handheld or hands-free,'' Schwebel tells WebMD.

''Statistically they were in an equal number of crashes," he says.

''What we found is that the amount of time they used hands-free had no relation to crash history or accident history."

Those using hands-free headsets while driving did have fewer traffic tickets, Schwebel's team found. But he speculates the most likely explanation for that is another factor -- that older people and women may be more conscientious drivers, using hands-free headsets because they are viewed by some as safer.

"It seems people who are conscientious are going to use hands-free and will follow traffic rules more closely," he says.

Cell Phones and Driving: Safety Issues

While some say hands-free cell phone use while driving allows motorists to keep their hands free to cope with an emergency, Schwebel says the main issue is distraction while talking on the phone, whether your hands are free or not.

"What people [researchers] have discovered is, it's really the cognitive distraction of talking on the phone that causes the risk," he says. ''Your mind is elsewhere when you are on the phone, trying to do two things."

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