Look up criterion in Wiktionary, the free dictionary.

A criterion is a condition/rule which enables a choice, therefore upon which a decision or judgment can be based (the plural is criteria). Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... Criteria is an indie rock band from Omaha, Nebraska. ...

Among articles whose title contains this word are the following:

• The Criterion Collection, a series of collector's edition DVDs.
• Criterion Software, a game technology company.
• Criterion Theatre, a theatre in London's West End.

In mathematics, a number of criteria are named after people: The Criterion Collection logo The Criterion Collection is a privately held company that distributes authoritative consumer versions of important classic and contemporary films on DVD. It was established in 1984 as a joint venture between Janus Films and the Voyager Company. ... Criterion Software is a company specialising in development of the Renderware Graphics Engine. ... The Criterion Theatre The Criterion Theatre is a theatre situated on Piccadilly Circus in the West End of London. ... For other meanings of mathematics or math, see Mathematics (disambiguation) and Math (disambiguation). ...

• Eisenstein's criterion
• Euler's criterion
• Weyl's criterion

See also information criterion, for a similar use in statistics. In mathematics, Eisensteins criterion gives sufficient conditions for a polynomial to be irreducible over Q (or equivalently, over Z). ... In mathematics, Eulers criterion is used in determining in number theory whether a given integer is a quadratic residue modulo a prime. ... In mathematics, in the theory of diophantine approximation, Weyls criterion states that a sequence of real numbers is equidistributed mod 1 if and only if for all non-zero integers we have: Therefore distribution questions can be reduced to bounds on exponential sums, a fundamental and general method. ... There are a number of statistics that can act as an information criterion. ...

In psychometrics, a criterion is used to validate test items: For the parapsychology phenomenon of distance knowledge, see psychometry. ...

• Criterion validity
• Criterion-referenced test

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