英语词汇“a control group”的翻译、意思、用法、释义-英汉经管词典

单词	a control group
释义	control group Definitions 1. A group of subjects or conditions that is matched as closely as possible with an experimental group, but is not exposed to any experimental treatment. The results are then compared to determine the changes that may occur due to the experimental treatment. 2. The people in an organization who have the power to make and implement decisions. Use 'control group' in a Sentence After the experiment was over, he realized that the reason he had not noticed a reaction from the medicine was that he was part of the control group. During the senior project the students used a control group to get a general understanding of how people responded to oddly dressed mannequins, the control group gave the students a starting point for the study. The Stanford Prison Experiment was an interesting concept, however, the lack of a control group invalidate almost all of its scientific findings.
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control group