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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.


Etymology

Origin of experimental group

First recorded in 1845–50


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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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The collaboration brought together the experimental group of Caltech's Manuel Endres, professor of physics, Alicea's theory group, and theorists at Université Paris-Saclay and the Technical University of Munich.

From Science Daily ● Oct. 1, 2026

In one experimental group, the AI labels tended toward offering false negatives.

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

The experimental group of 87 mentors instead completed a different 2-hour module focused on enhancing the mentor’s cultural diversity awareness.

From Science Magazine ● May 23, 2023

He was one of the most brilliant geneticists of Earth, and came to Mars with an experimental group that was to try to develop a human type that could live more comfortably under Martian conditions.

From Rebels of the Red Planet by Charles Louis Fontenay

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