Definition of criterion
A common misunderstanding regarding the term is the meaning of criterion. Many, if not most, criterion-referenced tests involve a cutscore, where the examinee passes if their score exceeds the cutscore and fails if it does not (often called a mastery test). The criterion is not the cutscore; the criterion is the domain of subject matter that the test is designed to assess. For example, the criterion may be "Students should be able to correctly add two single-digit numbers," and the cutscore may be that students should correctly answer a minimum of 80% of the questions to pass.
The criterion-referenced interpretation of a test score identifies the relationship to the subject matter. In the case of a mastery test, this does mean identifying whether the examinee has "mastered" a specified level of the subject matter by comparing their score to the cutscore. However, not all criterion-referenced tests have a cutscore, and the score can simply refer to a person's standing on the subject domain. Again, the ACT is an example of this; there is no cutscore, it simply is an assessment of the student's knowledge of high-school level subject matter.
Because of this common misunderstanding, criterion-referenced tests have also been called standards-based assessments by some education agencies, as students are assessed with regards to standards that define what they "should" know, as defined by the state.
Read more about this topic: Criterion-referenced Test
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