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experiment
(redirected from Experimental research)

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia 0.35 sec.

experiment

In science, a practical test designed with the intention that its results will be relevant to a particular theory or set of theories. Although some experiments may be used merely for gathering more information about a topic that is already well understood, others may be of crucial importance in confirming a new theory or in undermining long-held beliefs.

The manner in which experiments are performed, and the relation between the design of an experiment and its value, are therefore of central importance. In general, an experiment is of most value when the factors that might affect the results (variables) are carefully controlled; for this reason most experiments take place in a well-managed environment such as a laboratory or clinic.



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When Robert Dixon and colleagues (Review of High Quality Experimental Mathematics Research, 1998) reviewed findings from 110 experimental research reports, they concluded that effective mathematics lessons do not require students to apply new knowledge independently until they have demonstrated an ability to do so successfully.
Experimental research is used to investigate isolated variables and design based research is used to investigate a system of variables.
The study, recently published in the journal Alcoholism: Clinical and Experimental Research, found that nicotine 'significantly diminished' the blood alcohol levels of rats.
 
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