Multiple Choice
Determine if the following scenario is an observational study or a controlled experiment. A doctor is interested in determining whether a certain medication reduces migraines. She randomly selects 100 people for his study - 50 who will take the medication, and 50 who will take a placebo. The patients are examined once a week for six weeks.
A) Observational study
B) Controlled experiment
C) Neither
Correct Answer:
Verified
Correct Answer:
Verified
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