A experiment is study of usually two groups, one controlled and the other not, to establish cause and effect basis. It studies specific things to get a certain outcome.

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

The American HeritageĀ® Dictionary of the English Language, Fourth Edition copyright Ā©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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