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The study, published in the June 29 issue of Human Factors: The Journal of the Human Factors and Ergonomics Society, found that drivers talking on cell phones, either handheld or hands-free, are more likely to crash because they are distracted by conversation.
Researchers found that the drivers on cell phones drove more slowly, braked more slowly and were more likely to crash. In fact, the three participants who collided into the pace car were chatting away. None of the drunken drivers crashed.
Drivers using a cell phone exhibited a delay in their response to events in the driving scenario and were more likely to be involved in a traffic accident. Drivers in the alcohol condition exhibited a more aggressive driving style, following closer to the vehicle immediately in front of them, necessitating braking with greater force
Svenson (1981) surveyed students in Sweden and the United States, asking them to compare their driving safety and skill to the other people in the experiment. For driving skill, 93% of the US sample and 69% of the Swedish sample put themselves in the top 50% (above the median). For safety, 88% of the US group and 77% of the Swedish sample put themselves in the top 50%.
almost 80% of participants had evaluated themselves as being above the average driver
In ratings of leadership ability 70% of the students put themselves above the median and in ability to get on well with others 85% put themselves above the median and 25% rated themselves in the top 1%.
I never understood how experts say that having a conversation on a phone while driving is dangerous, and yet it is perfectly safe to hold a conversation with someone in the car.
The results show that the number of driving errors was highest in the
cell phone condition; in passenger conversations more references were made to traffic, and the production
rate of the driver and the complexity of speech of both interlocutors dropped in response to an increase
in the demand of the traffic. The results indicate that passenger conversations differ from cell phone
conversations because the surrounding traffic not only becomes a topic of the conversation, helping
driver and passenger to share situation awareness, but the driving condition also has a direct influence
on the complexity of the conversation, thereby mitigating the potential negative effects of a conversation
on driving.
Try reading the studies rather than just the standard counter arguments.I never understood how experts say that having a conversation on a phone while driving is dangerous, and yet it is perfectly safe to hold a conversation with someone in the car. People are more likely to take their eyes off the road during a face to face conversation by turning to look at the other person. By the logic of phone calls being dangerous, then anything going on in the car would be a distraction, including the radio. And yet, interestingly enough, when was the last time any manufacturer made a vehicle WITHOUT a radio?

