Another manifestation of tunneling is the decision to multitask. We may check e-mail while “listening in” on a conference call, or squeeze in a bit more e-mail on the cell phone over dinner. This has the benefit of saving time, but it comes at a cost: missing something on the call or at dinner or writing a sloppy e-mail. These costs are notorious when we drive. When you think about the multitasking driver, you think of the driver who is talking on a cell phone. Indeed, studies have shown that talking on a (non-handheld) cell phone while you drive can be worse than driving at above legal
...more
