The group given the treatment being studied during an experiment, such as a medication, fertilizer, or exposure to some other variable, is called the <u>test group</u>.
<h3>What is a Test Groups?</h3>
This refers to the group of randomly assigned users that are exposed to a certain treatment, these groups are then compared to the control group to check for discrepancies large enough to reject the null hypothesis of interest.
In most of these tests, the groups are of equal sizes as it facilitates easier interpretation due to lack of generalizability issues and it is easier to compute as well as to create an optimal design.
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