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Authenticity vs Validity - What's the difference?

authenticity | validity |

As nouns the difference between authenticity and validity

is that authenticity is the quality of being genuine or not corrupted from the original while validity is the state of being valid, authentic or genuine.

authenticity

English

Noun

(en-noun)
  • The quality of being genuine or not corrupted from the original.
    • I hereby certify the authenticity of this copy.
  • Truthfulness of origins, attributions, commitments, sincerity, and intentions.
    • The authenticity of this painting is questionable.
  • (obsolete) The quality of being authentic (of established authority).

    • Synonyms

    * (quality of being genuine) genuineness

    Antonyms

    * (quality of not being genuine) phoniness; forgery; fakeness; bogosity

    Related terms

    * authentically * authenticism

    See also

    * (wikipedia "authenticity")

    validity

    English

    Noun

    (wikipedia validity)
  • The state of being valid, authentic or genuine.
  • Having legal force.
  • A quality of a measurement indicating the degree to which the measure reflects the underlying construct, that is, whether it measures what it purports to measure (see reliability).