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controlled experiment

an experiment or trial that uses controls, usually separating the subjects into one or more control groups and experimental groups. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for controlled experiment
  • Maybe my life is some sort of controlled experiment.
  • It was also the only controlled experiment that imposed a specific change of environment and watched what happened.
  • But the question has not been investigated in detail, partly due to the difficulty of designing a controlled experiment.
  • It should be noted that this is not a controlled experiment, but rather a case study of two bears in one zoo.
  • Economic data were based on observation and modelling, not controlled experiment.
  • Your correspondent has not himself performed a controlled experiment to confirm his hunch.
  • In the social sciences, it is often supposed, there can be no such thing as a controlled experiment.
  • If a disagreement arises in natural sciences, someone conducts a controlled experiment on the matter and it is settled.
  • Obviously, a researcher cannot perform any type of controlled experiment on objects outside the solar system.
Contemporary definitions for controlled experiment

a trial or experiment that includes a control (comparison) group; also called controlled study ; any trial or test of a hypothesis under carefully managed conditions's 21st Century Lexicon
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