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validity

noun

/vəˈlɪd ɪ ti/

IPA:

Dictionary definition of validity

The quality or state of being logically or factually sound, accurate, or reliable.
"They performed a series of tests to ascertain the validity of the hypothesis."

Detailed meaning of validity

It encompasses the idea of something being valid, trustworthy, and well-founded. In various contexts, validity is used to evaluate the credibility or authenticity of information, arguments, reasoning, research findings, or legal documents. It is an essential concept in fields such as science, philosophy, law, and research methodology. When assessing the validity of a claim, statement, or experiment, one examines the coherence, consistency, and relevance of the evidence and the logical reasoning supporting it. A high level of validity indicates a strong basis for belief, acceptance, or implementation, while low validity implies doubts, flaws, or shortcomings that may undermine the reliability or usefulness of the subject under scrutiny.

Example sentences containing validity

1. The validity of his argument was questionable at best.
2. She checked the expiration date to ensure the validity of her passport.
3. The contract had lost its validity after the termination clause was invoked.
4. The validity of the study is compromised due to the lack of a control group.
5. It is important to question the validity of information found on the internet.
6. The professor emphasized the need for empirical evidence to support the validity of a theory.

History and etymology of validity

The noun 'validity,' rooted in the Latin word 'validitas,' traces its origins to the Latin term 'validus,' which conveys the notions of strength, robustness, and health. Over time, 'validitas' evolved to represent the quality or state of being logically or factually sound, accurate, or reliable. When we speak of the 'validity' of an argument, statement, or data, we are referring to its strength and reliability in withstanding scrutiny and confirming its truth or accuracy. The etymology of 'validity' reflects the enduring association between strength and reliability, as concepts that have persisted throughout the evolution of language and thought.

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Further usage examples of validity

1. The certificate’s validity was extended by another year.
2. The lawyer contested the validity of the will in court.
3. His claims lacked validity as they were not backed by any evidence.
4. The psychologist devised an experiment to test the validity of the new therapy.
5. The validity of the software license will expire in two days.
6. The court questioned the validity of the evidence presented by the prosecution.
7. The medicine's efficacy and validity were proven through clinical trials.
8. The scientific community is still debating the validity of the new discovery.
9. She was relieved to find that the validity of her ticket was still good for another month.
10. The validity of the survey results was undermined by the biased sample selection.
11. His application was rejected due to the validity of his visa having expired.
12. The judge asked both parties to submit documents supporting the validity of their claims.
13. The company offers a three-year warranty to ensure the validity and reliability of its products.
14. The validity of her argument was questioned due to insufficient evidence.
15. Data integrity ensures the validity of scientific research findings.
16. Ensuring the validity of the experiment's results is crucial.
17. The validity of the contract was challenged in court.
18. Their doubts about the validity of the theory were unfounded.
19. Validity is a cornerstone of sound statistical analysis.
20. The validity of his claim rested on credible witnesses.
21. Legal experts debated the validity of the new legislation.
22. The validity of the survey's methodology was under scrutiny.
23. She sought to establish the validity of her innovative approach.
24. Peer review helps maintain the scientific validity of studies.