well designed clinical trials

3. Why are control groups necessary in clinical trials?

Control groups provide a benchmark against which the experimental intervention can be compared. This helps in isolating the effects of the intervention and determining its true efficacy and safety.

Frequently asked queries:

What Constitutes a Well-Designed Clinical Trial?
1. How do you determine the sample size for a clinical trial?
2. What is the importance of randomization in clinical trials?
3. Why are control groups necessary in clinical trials?
4. What role do blinding and placebo play in clinical trials?
5. How are ethical considerations addressed in clinical trials?
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