controlled experiment

plural controlled experiments

Definition of controlled experiment

: an experiment in which all the variable factors in an experimental group and a comparison control group are kept the same except for one variable factor in the experimental group that is changed or altered … few controlled experiments have been formally conducted by an impartial organization to prove or disprove the claims.— Noel Vietmeyer In the next few years, non-university researchers will run controlled experiments with the fungi on mosquitoes in Africa and locusts in China.— Carrie Wells … Bat Conservation International conducted a controlled experiment in which some of the turbines were temporarily shut down during specific wind conditions.— Kirk Swauger — compare control experiment

First Known Use of controlled experiment

1893, in the meaning defined above

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Time Traveler for controlled experiment

Time Traveler

The first known use of controlled experiment was in 1893

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Dictionary Entries Near controlled experiment


controlled experiment

controlled school

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Cite this Entry

“Controlled experiment.” Dictionary, Merriam-Webster, Accessed 30 Jun. 2022.

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