experimental group

American  

noun

1. (in an experiment or clinical trial) a group of subjects who are exposed to the variable under study.

   a lower infection rate in the experimental group that received the vaccine.

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Etymology

Origin of experimental group

First recorded in 1845–50

Compare meaning

How does experimental-group compare to similar and commonly confused words? Explore the most common comparisons:

• control group vs. experimental group

Example Sentences

They are based on a collaboration going back some 20 years between the experimental group of Akira Furusawa in Japan and the theoretical team of Peter van Loock in Germany.

From Science Daily • Feb. 2, 2024

By the end of the fourth grade, the IQs of kids in the experimental group had dropped way down, and were no higher than the comparison group.

From Scientific American • Oct. 26, 2023

Her big break came in 1964, when the director Mr. Brook brought her into an experimental group he was assembling for the recently formed Royal Shakespeare Company.

From New York Times • Jun. 15, 2023

And in mentor self-assessment, the experimental group members were twice as likely to report that their racial identity matters to their mentoring relationships, compared with the control group.

From Science Magazine • May 23, 2023

He required half his experimental group to chew thoroughly, and the other half to gulp things down as usual,.

From How and When to Be Your Own Doctor by Solomon, Steve