MCAT Question of the Day
    •

    Q:

    		 Researchers designed an experiment to test the effects of chewing gum on student performance in exams. One group of students was given a piece of gum and was told they could discard the gum once they were finished with it. The other group was given an unlimited supply of gum for the duration of the exam. Which of the following would be best suited as a control for the experiment?
    		 

    A

    		 giving one group of students a different brand of gum

    B

    		 giving one group of students no gum

    C

    		 telling the students that the amount of gum they chewed would have no impact on their score

    D

    		 not allowing proctors to know which students had access to the unlimited gum and which students were only allowed one piece



    Quantitative Skills |
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