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May 20, 2013
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Definition of Error, alpha

Error, alpha: The statistical error made in testing a hypothesis when it is concluded that a result is positive, but it really is not. Also known as false positive.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=3300
Last Editorial Review: 3/30/2012

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