Face Validity
Face Validity
Face Validity (/feɪs vəˈlɪdɪti/) is a term used in Psychology and Research Methods to describe the extent to which a test appears to measure what it is intended to measure. It is a subjective measure that relies on the judgement of individuals who are looking at the content of the test.
Etymology
The term "Face Validity" is derived from the English words "face" and "validity". "Face" refers to the surface or appearance of something, while "validity" comes from the Latin word "validus" which means strong or effective. Thus, face validity refers to the apparent strength or effectiveness of a test or measure.
Related Terms
- Content Validity: This refers to the extent to which a measure represents all facets of a given construct.
- Construct Validity: This is 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.
- Reliability: This is the overall consistency of a measure. A measure is said to have a high reliability if it produces similar results under consistent conditions.
See Also
References
- American Psychological Association. (2010). Publication Manual of the American Psychological Association (6th ed.). Washington, DC: Author.
- Nunnally, J. C. (1978). Psychometric theory (2nd ed.). New York: McGraw-Hill.
External links
- Medical encyclopedia article on Face Validity
- Wikipedia's article - Face Validity
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