Randomized Controlled Trial (RCT)
RCTAn experimental study where participants are randomly assigned to intervention or control groups. The gold standard for evaluating treatment efficacy. Minimizes selection bias and confounding.
例
- Double-blind placebo-controlled
- Active comparator
- Crossover design
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An experimental study where participants are randomly assigned to intervention or control groups. The gold standard for evaluating treatment efficacy. Minimizes selection bias and confounding.