|Michael O'Hare points us this morning to a study of cell phone usage in cars that confirms the obvious: it's dangerous. More dangerous than driving drunk, in fact. What's more, as the chart on the right shows, hands-free talking doesn't help. In fact, for certain |
To understand the reason, consider driving while (i) listening to the radio as I was (ii) conversing with an adult passenger (iii) transporting a four-year-old (iv) sharing the front seat with a largish dog.
The radio is not a person, and you subconsciously know that you may miss something if you attend to something in the road ahead, but also that you won’t insult it if you “listen away”, and it won’t suffer, much less indicate unease. The adult passenger can see out the windshield and also catch very subtle changes in your tone of voice or body language.
If you stop talking to attend to the car braking up ahead, the passenger knows why instantly, and accommodates, and because you know this, you aren’t anxious about interrupting the conversation. The dog and the child, in contrast, are completely unaware of what’s coming up on the road or what you need to pay attention to; the former is happy to jump in your lap if it seems like a good idea at any moment, and the child demands attention on her own schedule and at...