MCAT Question of the Day
    •

    Q:

    		 A study is performed where 1000 people who wear seat belts and 1000 people who do not are followed for several years to observe differences in outcomes. This study is an example of a:
    		 

    A

    		 observational study.

    B

    		 cohort study.

    C

    		 cross-sectional study.

    D

    		 case-control study.



    Experimental Methods |
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