Which type of study design is considered the gold standard for determining causality in clinical research?
Understand the Problem
The question is asking for the type of study design that is considered the gold standard for establishing causality in clinical research. This involves knowledge of different research methodologies within clinical studies.
Answer
Randomized controlled trial.
The final answer is C. Randomized controlled trial.
Answer for screen readers
The final answer is C. Randomized controlled trial.
More Information
Randomized controlled trials (RCTs) are considered the gold standard for determining causality because they minimize bias through randomization, ensuring comparable groups.
Tips
Confusing RCTs with cohort or case-control studies can lead to mistakes. RCTs specifically use randomization to reduce bias.
Sources
- Randomised controlled trials—the gold standard for effectiveness - pmc.ncbi.nlm.nih.gov
- Gold Standard of Evidence: The Randomized Controlled Trial (RCT) - kennedykrieger.org
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