ex·per·i·men·tal group ( k-sp r  -mn tl)n. A group of subjects that are exposed to the variable of a control experiment. |
experimental group,
a set of items or people under study to determine the effect of an event, a substance, or a technique. Compare control group.
experimental group,
n the group of participants in a clinical study who receive the actual drug or treatment being studied. See also controlled clinical trial.
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