- control group
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The group of test subjects left untreated or unexposed to some procedure and then compared with treated subjects in order to validate the results of the test.
Wikipedia foundation.
Wikipedia foundation.
control group — conˈtrol group noun [countable] STATISTICS in a test, a group of people or things that you do not test and that you then compare with the group being tested. By using a control group, you can see if the results of your test are caused by the… … Financial and business terms
control group — Control Con*trol , n. [F. contr[^o]le a counter register, contr. fr. contr r[^o]le; contre (L. contra) + r[^o]le roll, catalogue. See {Counter} and {Roll}, and cf. {Counterroll}.] 1. A duplicate book, register, or account, kept to correct or… … The Collaborative International Dictionary of English
control group — n. 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 … English World dictionary
control group — A group used for comparison with another, either because it represents the most common or typical case, or because it illustrates the absence of some phenomenon being studied. Human beings are not inert, lifeless matter, and hence cannot be… … Dictionary of sociology
control group — (in an experiment or clinical trial) a group of subjects closely resembling the treatment group in many demographic variables but not receiving the active medication or factor under study and thereby serving as a comparison group when treatment… … Useful english dictionary
control group — With reference to those whose communications with an attorney on behalf of a corporation are within the attorney client privilege, this group consists of those persons who have authority to control, or substantially participate in, decisions… … Black's law dictionary
control group — With reference to those whose communications with an attorney on behalf of a corporation are within the attorney client privilege, this group consists of those persons who have authority to control, or substantially participate in, decisions… … Black's law dictionary
control group — /kənˈtroʊl grup/ (say kuhn trohl groohp) noun a group which acts as a control (def. 6) in an experiment where the results are analysed statistically, as in the testing of drugs …
control group — (in an experiment or clinical trial) a group of subjects closely resembling the treatment group in many demographic variables but not receiving the active medication or factor under study and thereby serving as a comparison group when treatment… … Universalium
control group — In a clinical trial, the group that does not receive the new treatment being studied. This group is compared to the group that receives the new treatment, to see if the new treatment works … English dictionary of cancer terms
control group — experimental group used to verify the results of an experiment via comparison to the subject group … English contemporary dictionary