A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested. A. variable B. trials C. control group D. field study - Vocabulary | English Grammar Quiz

A group in a scientific experiment that serves as a reference for comparison to the experimental group; a group that is untreated by the factor being tested.

A. variable

B. trials

C. control group

D. field study

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