5 Questions
What is the main characteristic of experiments in epidemiological studies?
Investigator control over study circumstances
Which study design provides the strongest evidence for testing a research hypothesis?
Experimental study
What is the gold standard of evidence for cause-and-effect relationships in medical research?
Randomized controlled trial
What is the primary purpose of a clinical trial in medical research?
To evaluate the effects of a treatment
Why are experiments rarely possible in human studies?
Ethical concerns
Test your knowledge of experimental study designs and their significance in proving causation with this quiz. Explore the key features and limitations of experimental studies, and understand their role in providing strong evidence for testing research hypotheses.
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