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6 September, 11:00

To test the effectiveness of an allergy drug, scientists begin with a pool of 12,000 allergy sufferers. One randomly selected group of 6,000 subjects is given the drug, and the other 6,000 are given a pill without the active ingredient. They are asked to report their allergy symptoms after 1 week, 1 month, and 3 months of treatment, and samples are also taken to measure the levels of histamines (allergy-related compounds) in the blood. What is the experimental group in this study? 1. 6,000 subjects that are given the drug 2. 6,000 subjects that are given a pill without the active ingredient 3. presence or absence of the drug 4. reports of symptoms and levels of histamines in the blood

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  1. 6 September, 12:48
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    6,000 subjects that are given the drug

    Explanation:

    The experimental group is the group that receives the treatment where the element to be tested is given (the drug with the active ingredient in this case). On the other hand, the control group does not receive the element to be tested.
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