What is a randomized controlled trial?
Q: What is a randomized controlled trial?
A: A randomized controlled trial is a special method of doing a scientific experiment which can reduce certain sources of bias.
Q: What is the purpose of a randomized controlled trial?
A: The purpose of a randomized controlled trial is to test whether drugs are effective against a set of symptoms.
Q: How are participants selected in a randomized controlled trial?
A: Participants in a randomized controlled trial are randomly put into different groups.
Q: What happens to each group in a randomized controlled trial?
A: Each group in a randomized controlled trial is treated differently.
Q: How are the results of a randomized controlled trial compared?
A: The results of a randomized controlled trial are compared at the end of the treatment period.
Q: What is a blinded trial?
A: A blinded trial is a trial in which the participants, or the people giving the drugs, do not know what group a patient is in.
Q: What is the difference between a placebo group and a real drug group in a randomized controlled trial?
A: In a randomized controlled trial, a placebo group will receive a placebo drug, while the other group will receive the real drug being tested.
