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control group
[ kuhn-trohl groop ]
noun
- (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 results are evaluated.
control group
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
51Թ History and Origins
Origin of control group1
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Example Sentences
In the control group of 22 people without symptoms, 46% had the post-infection antibodies.
On average, said Nadeau, the firefighters had lead and mercury levels three and five times higher, respectively, than a control group of firefighters who fought a forest fire alone.
In the study, run by Monash University and Alfred Health researchers at the Melbourne Sexual Health Centre, half of the men got an oral antibiotic and a topical antibiotic cream to apply to the skin for one week, while the control group of men were given no treatment.
The Air Traffic Control group is still conducting interviews.
Another study in 2018 found people who abstained from alcohol had improved insulin sensitivity and blood pressure compared to a control group.
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