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Glossary
Control group

Research terminology

Control group

A comparison group used to interpret changes observed in an experimental group.

What it means

Controls may receive placebo, standard conditions, no intervention or another comparator.

Research context

This definition is educational. The meaning and relevance of a term still depend on the method, product, batch record or study in which it appears.

Research use only

Products and educational content are supplied for laboratory, analytical and non-clinical research. Products are not medicines and are not for human consumption.