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control experiment

The definition of a control experiment is a test where the person conducting the test only changes one variable at a time in order to isolate the results.

(noun)

An experiment where all subjects involved in the experiment are treated exactly the same except for one deviation is an example of a control experiment.

See control experiment in Webster's New World College Dictionary

an experiment in which the variable factors are controlled so as to make it possible to observe the results of varying one factor at a time

See control experiment in American Heritage Dictionary 4

noun

An experiment that isolates the effect of one variable on a system by holding constant all variables but the one under observation.

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