Criterion

Criterion may refer to:

In science and mathematics:
 * Eisenstein's criterion, in mathematics, gives sufficient conditions for a polynomial to be irreducible over the rational numbers
 * Euler's criterion, in number theory concerning primes
 * Weyl's criterion, used in mathematics in the theory of diophantine approximation
 * Criterion validity, in psychometrics, a measure of how well one variable or set of variables predicts an outcome
 * Criterion-referenced test, translates a test score into a statement about the behavior to be expected of a person