Content validity
Content Validity
Content validity (pronunciation: /ˈkɒntɛnt vəˈlɪdɪti/) is a term used in psychometrics and research methods to refer to the extent to which a measure represents all facets of a given construct.
Etymology
The term 'content validity' is derived from the English words 'content' and 'validity'. 'Content' (from Latin contentus) refers to the subjects or topics covered in a book or document, while 'validity' (from Latin validus meaning 'strong') refers to the state of being logically or factually sound.
Definition
Content validity is a non-statistical type of validity that involves the systematic examination of the test content to determine whether it covers a representative sample of the behavior domain to be measured. It is often used in the development of psychological tests and educational testing.
Related Terms
- Construct Validity: This refers to the degree to which a test measures what it claims, or purports, to be measuring.
- Criterion Validity: This is the extent to which a measure is related to an outcome.
- Face Validity: This is the extent to which a test is subjectively viewed as covering the concept it purports to measure.
- Test Validity: This is the extent to which a test measures what it claims to measure and is free from bias.
See Also
External links
- Medical encyclopedia article on Content validity
- Wikipedia's article - Content validity
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