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In a new trial to test the effectiveness for a new type of medicine, why is it necessary for one group to receive a placebo?

In a new trial to test the effectiveness for a new type of medicine, why is it necessary for one group to receive a placebo?
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In a new trial to test the effectiveness for a new type of medicine, why is it necessary for one group to receive a placebo?

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User Gopichandar
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2 Answers

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It is necessary in order to have a control group.
Step-by-step explanation:
By having a placebo group one can observe whether or not the one with the new type of medicine have any consistent and real changes after taking the medicine.
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User Batfastad
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5 votes

Answer:

To serve as control experiment.

Step-by-step explanation:

Hope it helps.

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User Ahmed Akhtar
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