Assertion: clarinet's instrument | /r/HasProperty | valid
Facets:
value: externally
type: DEGREE
Source sentences:
text: An instrument that is externally valid helps obtain population generalizability, or the degree to which a sample represents the population.
text: Finally, the most useful instrument is both valid and reliable.
text: According to Reference for Business, for a negotiable instrument to be valid it must meet four requirements: