controlled experiment

American  

noun

1. an experiment or trial that uses controls, usually separating the subjects into one or more control groups and experimental groups.

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Etymology

Origin of controlled experiment

First recorded in 1885–90

Example Sentences

See Examples For:

controlled experiment

Because researchers already know the rocket's exact size, speed and point of impact, this collision turns from being a random accident into a rare, controlled experiment.

From BBC ● Aug. 5, 2026

That sets the party up for a controlled experiment come November.

From The Wall Street Journal ● Jul. 22, 2026

To isolate the issue, Duffy and Li designed a controlled experiment with people ages 45 to 55.

From MarketWatch ● Apr. 16, 2026

To explore this process, researchers conducted a carefully controlled experiment in healthy volunteers.

From Science Daily ● Feb. 19, 2026

In a perfect world, an economist could run a controlled experiment just as a physicist or a biologist does: setting up two samples, randomly manipulating one of them, and measuring the effect.

From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt