control experiment (redirected from Scientific control)

experiment /ex·per·i·ment/ (ek-sper´ĭ-ment) a procedure done in order to discover or demonstrate some fact or general truth.experimen´tal

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control experiment  one made under standard conditions, to test the correctness of other observations.

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control experiment

n.

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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experiment [ek-sper´ĭ-ment]

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.

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experiment

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.

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control experiment

one made under standard conditions, to test the correctness of other observations.

controlled experiment

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.

factorial experiment

one set up in such a way that all levels of each intervention or treatment occur with each level of response.

field experiment

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.

laboratory experiment

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.

prospective experiment

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.