Science glossary film: Control

Control

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A vital reference in a scientific experiment, to which the system under test can be compared.

A vital reference in a scientific experiment, to which the system under test can be compared. It is a valuable means of isolating just one factor to determine its effect. For example, in medical testing a control group of patients may be given a placebo treatment and compared with a second group of patients who are given a test drug.

It is a valuable means of isolating just one factor to determine its effect. For example, in medical testing a control group of patients may be given a placebo treatment and compared with a second group of patients who are given a test drug.

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