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(CORRECT ANSWER) MATH225N Week 8 Final Exam : To test the effectiveness of a drug proposed to relieve symptoms of headache, physicians included participants for a study.

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QUESTION 20

To test the effectiveness of a drug proposed to relieve symptoms of headache, physicians included participants for a study. They gave the drug to one group and a drug with no therapeutic effect to another group. Which group receives the placebo?

Select the correct answer below:

the physicians

the group that received the drug for headache

the group that received the drug with no therapeutic effect

all of the people in the study

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