aragonn wrote:
The director of a daycare center, in an effort to deter parents from picking up their children late, announced that all parents will have to pay a $3 fee per child every time they pick up their children late. Contrary to the director's expectations, in the month after the new policy was announced the number of parents picking up their children late doubled.
Which of the following provides the best explanation for the apparently puzzling results described above?
A. Paying a fee makes many parents feel less guilty about being late.
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