"validity" - key terms from Wikipedia

colonial laws validity	act
concurrent validity
construct validity
content validity
convergent validity
discriminant validity
ecological validity
external validity
face validity
internal validity
legal validity
predictive validity
reliability and validity
territorial validity
validity
validity	and enforceability
validity	and reliability
validity	claim
validity	evidence
validity	evidence involves
validity	of an argument
validity	of fibromyalgia
validity	of the hero
validity	scales
years validity