You are leaving a ball game with your empty water bottles in tow. Upon passing the trash can, you decide to pitch the plastic bottles in the large barrel outside the gate. After you toss the bottles, you feel guilty about not recycling. In an effort to relieve your guilt, you look at the overflowing trash barrel containing paper, plastic, and various other disposables and ask yourself, "Why should I feel guilty when nobody else is recycling?" This illustrates .