experiment (redirected from experimented)

experiment /ex·per·i·ment/ (ek-sper´i-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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ex·per·i·ment (k-spr-mnt)

n.

1. A test under controlled conditions that is made to demonstrate a known truth, to examine the validity of a hypothesis, or to determine the efficacy of something previously untried.

2. The process of conducting such a test; experimentation.

3. An innovative act or procedure.

4. The result of experimentation.

v. (-mnt)

1. To conduct an experiment.

2. To try something new, especially in order to gain experience.

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experiment,

n a trial or special observation made to confirm or disprove something doubtful; an act or operation undertaken to discover some unknown principle or effect or to test, establish, or illustrate some suggested or known truth.

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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.