Examlex
In a set of numerical data, the value for Q₂ is always halfway between Q₁ and Q₃.
Control Group
In experimental research, the group of participants that does not receive the experimental treatment, used for comparison purposes.
Random Assignment
A method of assigning participants that ensures each participant has an equal chance of being assigned to the experimental group or control group.
Experimental Group
The group in an experimental study that receives the treatment or intervention being tested.
Control Group
A group in an experiment that does not receive the treatment or intervention being tested, allowing for comparison with the experimental group.
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