MCAT Question of the Day
    •

    Q:

    		 If she has been good about going to the gym the previous week, a woman rewards herself with a bubble bath on Sunday night. She also rewards herself for every 20-lb weight loss by buying new clothes in a smaller size, and finds that she is more likely to exercise consistently when she treats herself to new clothes rather than to a bubble bath. Which of the following is true for her regarding the effectiveness of her exercise reinforcement schedules?
    		 

    A

    		 Fixed ratio is more effective than variable ratio.

    B

    		 Fixed ratio is more effective than fixed interval.

    C

    		 Variable interval is more effective than fixed interval.

    D

    		 Variable ratio is more effective than variable interval.



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