why do many studies divide their participants into an experimental group and a control group?
why do many studies divide their participants into an experimental group and a
control group?
为什么许多研究会把实验对象分别划入到“实验小组”和“抑制小组”呢?
experimental group 试验小组
control group 抑制小组
divide into 划分。。。
participant [n] 参与者;实验对象
In the design of experiments, treatments are applied to experimental units in the treatment group(s).[1] In comparative experiments, members of the complementary group, the control group, receive either no treatment or a standard treatment.[2]
在任何的实验设计当中,一是通过“实验小组”对标本进行实验性处理,二是通过“抑制小组”对标本进行常规性处理或者零处理;两种实验同时进行,进而得出结果对比。
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这是医学和其他学科常用的方法,通过分组对比来验证方法,及其组合的不同结果,以便得出客观的结论。