validities

States of legitimacy

Validities is the plural of validity, the quality of being sound, well-founded, or legally binding.

A study's validity depends on its methodology.

A contract's validity depends on proper execution.

The word appears most often in academic and legal contexts where multiple forms of soundness are distinguished: The researchers questioned the validities of earlier findings.

legitimacy

soundness

Reliability of structure

authenticity · genuineness · credibility · plausibility · defensibility · justifiability · rationality · reasonableness · coherence · consistency

verification

proof

Demonstration of truth

substantiation · attestation · documentation · certification · accreditation · ratification · endorsement · authentication · affirmation · audit

research

measurement

Determining size or amount

experimental design · sampling · generalizability · psychometrics · instrumentation · operationalization · controls

Opposites
logical soundness

validitiesinvalidities

States of being void

fallacies · non sequiturs · illogicalities · sophisms · unsoundness

factual truth or accuracy

validitiesfalsities

Statements contrary to fact

falsehoods · untruths · inaccuracies · falseness · errors

legitimacy or legal force

validitiesinvalidities

States of being void

nullities · illegitimacies · illegalities · voidness · irregularities

Family

valid, invalid, validate, invalidate, validation, validity, validated, validating, invalidity

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Used worldwide · Timeless · Abstract · Rated G