What is the purpose of the control group

What is the purpose of a control group in an experiment?A classic example of a control group is the segment of a pharmaceutical drug study that receives doses of the placebo.To provide an estimate of the magnitude of the placebo effect.This isolates the independent variable's effects on the experiment and can help rule out alternative explanations of the experimental results.In an intervention trial, for example, the control group might be given a placebo.

What is the purpose of the control group in an experiment?The control group is the set that serves as the comparator for an affected group.Sometimes the label control group is used to refer to any sort of comparison group, even when random assignment has not been used to create it.It is an chromatographic immunoassay for human chorionic gonadotropin.Either way, without a control, a.

When a scientist speaks of a control, however, she might mean one of two things:The control group is described as concurrent or parallel.It is essential that controls are concurrent rather than historical.It is possible that the causes and epidemiology of the disease or condition being studied change with time.[choose one best answer.] to provide an estimate of the background risk or rate of disease.

The purpose of the control group is to determine the effect of the intervention by properly eliminating any placebo effect produced by the test group.In an experiment, a control is used to establish a baseline to compare the results of the main experiment to.