In an experiment, the two groups are called the
What are control groups?
The control group can simply be described as the group in an experiment that does not receive the variable under test.
The experimental group is the group that receives the variable under test in an experiment.
The two groups in any experiment are the control group and experimental group.
The control group and experimental group are compared against each other in an experiment.
The only difference between the control and experimental groups is that the independent variable is changed in the experimental group, while the independent variable is held constant in the control group.
In conclusion, all experiments must contain an experimental group but not all will contain a control group.
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