There are so many reasons to pretend to be talking to someone on your cellphone. Just think about it a little and you'll get many ideas!
But James E. Katz, a professor of communication at Rutgers University, says his classroom research suggests that plenty of the people talking on the phone around you are really faking it. In one survey Dr. Katz conducted, more than a quarter of his students said they made fake calls. He found the number hard to believe. Then in another class 27 of 29 students said they did it.
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