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Validity: Content

Introduction

Content validity is the degree to which an assessment represents the content domain it is designed to measure. When an assessment is judged to have high content validity, the content of the assessment is considered to be congruent with the testing purpose and with prevailing notions of the subject matter tested.

Evaluating content validity is an important part of validating the use of a test for a particular purpose, especially when the test is educational in nature, such as when it is desired to measure a person's knowledge of specific subject matter (e.g. achievement and licensure tests). Although the process of test validation is dynamic and a test is never ‘validated’ per se, in many cases, evidence of content validity is a fundamental component for defending ...

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