27/07/2014 15:42

Criterion is singular and criteria is plural. It is generally regarded as incorrect to use criteria as a singular noun (with criterias as a bogus plural), though it is commonly seen and heard in the print and electronic media, and in some law contexts as well. 

The phrase set of criteria is often used when a singular expression is required. 

Check out these expressions:


What are the criteria?

What is the criterion?


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