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a procedure done in order to discover or demonstrate some fact or general truth. adj., adj experimen´�tal.
control experiment one made under standard conditions, to test the correctness of other observations.
con·trol ex·per·i·ment(kŏn-trōl' eks-per'i-mĕnt)
An experiment used to check another, to verify the result, or to demonstrate what would have occurred had the factor under study been omitted.
See also: control
See also: control
a study involving a comparison group in which the investigator intentionally alters one or more risk factors in order to discover or demonstrate some fact or general truth.
one made under standard conditions, to test the correctness of other observations.
one in which an exact replica of the animals experimented on are kept without any treatment in order to show what changes occurred in normal animals, reinforcing the view that the observed changes in the experimental animals were in fact the result of the treatment administered.
one set up in such a way that all levels of each intervention or treatment occur with each level of response.
one carried out in normal circumstances and environment, e.g. on the farm or in the cattery rather than in an experimental institution where many of the factors affecting the occurrence or severity of a disease may not operate.
carried out in a laboratory where conditions can be almost completely controlled.
latin square experiment
a method of laying out a field experiment in such a way as to avoid bias by physical location.
those carried out to see what happens if certain influences are applied to an animal or a group of animals. Retrospective experiments are those which set out to explain events that have already been observed.