Meaning of control experiment | Babel Free

Definitions

A parallel experiment designed to replicate the main experiment in every way, except in respect of the one variable that is being tested, so as isolate the effect of that variable; for example, an experiment in which subjects are given a placebo instead of an active drug, intended to check that any observed benefits of the drug derive from the drug itself and not from other factors involved in its administration.

CEFR level