| 单词 | matched control | 
| 释义 | > as lemmasmatched control   matched control  n. Statistics (more fully  matched control group) a control group of individuals selected to resemble an experimental group in all properties except the one under investigation. ΚΠ 1937    Jrnl. Educ. Sociol. 11 188  				The same teacher will be in control of the experimental groups and the matched control groups. 1968    Brit. Jrnl. Psychiatry 114 749/1  				The study..uses matched controls and differs from previous studies in that the detailed assessment of the case notes of the patients concerned was made on a ‘blind’ basis. 1999    Internat. Jrnl. Cardiol. 67 171  				The results were compared with the data from 51 matched controls without a history of cardiac disease. < as lemmas | 
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