隨機對照試驗
From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia
隨機對照試驗(英文:randomized control trial,RCT)係科學實驗嘅一種技巧,目的係消除部分嘅誤差。
想像家吓做癌症研究,研究者搵咗 100 位生 cancer 嘅病人返嚟做對象(受試者),而佢哋手上有 A 同 B 呢兩隻療法,研究目標係想知道邊隻療法比較有效;如果研究者用嘅係隨機對照試驗,佢哋會做嘅嘢係
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