英语词汇“control group”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	control group
释义	Trends of control group View usage for: control group in British English noun any group used as a control in a statistical experiment, esp a group of patients who receive either a placebo or a standard drug during an investigation of the effects of another drug on other patients control group in American English a group that serves as the control in a scientific experiment; specif., such a group that does not receive the substance, drug, treatment, etc. being tested Examples of 'control group' in a sentence control group We would not expect much change in either two control groups. Siann, Gerda & Ugwuegbu, Denis C. E. Educational Psychology in a Changing World (1988) Another control group was not scanned. Times, Sunday Times (2007) They did slightly better than the control group, which received no shocks at all! Siegel, Bernie S. (MD) Love, Medicine and Miracles (1990) A control group received plasma from mice their own age. Times, Sunday Times (2014)
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Trends ofcontrol group