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27 August, 17:37

I pts

While testing the effectiveness of a new antibiotic, researchers use three groups with

the following treatments:

• Group 1--receives a placebo

• Group 2: receives antibiotic A

• Group 3: receives antibiotic B

Which of the groups would not be considered a control group?

o the group that received antibiotic A

o the group that received the placebo

o the group that received antibiotic B

O both groups receiving antibiotic A and B

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Answers (1)
  1. 27 August, 17:48
    0
    It would be the last one.
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