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control experiment

control experiment

1 3.8
An experiment that keeps everything the same except one thing to compare results
  • noun
  • /kənˈtroʊl ɪkˈspɛrɪmənt/
  • Specialized
translation icon : experimento de control
  • Before publishing their results, they performed a control experiment to account for any variables that could skew the outcome.

I mean, This is why we need better controlled experiments in humans.

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Examples

  • The researchers conducted a control experiment to ensure their results were reliable and free from outside influences.

  • And they did, over the course of four months, a series of controlled experiments that are mind blowing.

  • We can't run controlled experiments on the whole world.

  • For comparison, the control experiment was conducted in the same manner, but using NH2-CP as catalysts.

    Academic text (2018)
  • I also set up a small control experiment to assay the chitin from another source, and it tallies with earlier results.

    Blog text (7)
  • Finally, one of the most damaging criticisms of Pons and Fleischmann was that they had failed to do control experiments.

    Academic text (1994)
  • In the control experiment, the same conditions were maintained as in the main experiment to validate the findings.

Synonyms

control
vscontrol experiment
  • Specialized
375 5.2

A group or condition used to compare results in an experiment

is a separate test run to account for factors that affect results

How Controlled

clinical trial
  • Specialized
67 3.9
control experiment
  • Specialized
1 3.8
laboratory
  • Specialized
33 3.9
empirical research
  • Formal
2 3.7
fieldwork
  • Specialized
9 3.8

Surface Forms

Morphology

control + experiment

The meaning 'an experiment used as a standard of comparison' is directly compositional from 'control' (a standard/group used for comparison) plus 'experiment' (a scientific test). This technical collocation parallels equivalent constructions in many languages and follows straightforward semantic composition, so a B1 learner who knows both constituents should be able to infer the MWE meaning.

Etymology

The phrase control experiment comes from a simple lab picture: you run two tests that are the same except one does not get the new treatment—the control stays the same. That unchanged test is used as the 'standard of comparison', so control experiment means an experiment that shows what would happen without the thing you test.