Validity
Validity is the degree to which a test measures what it claims to measure.
Reviewed by: Scientific Review Team · Last reviewed: July 2026
Construct validity, criterion validity, and content validity are core evidence types. A matrix reasoning test may have high validity for fluid intelligence but low validity for predicting job performance alone.
Synonyms: test validity
Related terms
Used in
- /official-iq-test-types/
- /official-iq-test-types/research/
- /official-iq-test-types/research/stanford-binet-test-explained/
- /official-iq-test-types/research/wais-iq-test-explained/
- /brain-cognitive-test/
- /brain-cognitive-test/research/
- /brain-cognitive-test/research/brain-test-vs-iq-test/
- /brain-cognitive-test/research/cognitive-ability-test-explained/
FAQ
Can an online quiz be valid?
It may measure something useful for practice, but clinical or high-stakes validity requires controlled administration and published evidence.
Scientific sources
- American Educational Research Association et al. (2014). Standards for Educational and Psychological Testing.