Validity – OMERACT

the degree to which a study, test, or measurement actually reflects the concept it is intended to measure. High validity means the results are accurate and trustworthy.

Synonyms: Accuracy

Example
A blood pressure monitor shows readings consistent with a gold-standard device. This demonstrates the validity of the new monitor in measuring blood pressure.

Glossary: Instrument Selection
the systematic process of identifying, evaluating, and choosing the most appropriate tools or instruments to measure the agreed-upon core domains in a research study or clinical trial.
Glossary: Measurement-Affecting Contextual Factors
external or surrounding conditions that can influence how an outcome, variable, or construct is measured, interpreted, or compared.
Glossary: Measurement Properties
refer to the key psychometric qualities of an instrument or tool that determine how well it measures what it is intended to measure.
Glossary: Methodologist
a specialist who develops, evaluates, and applies research methods and techniques to ensure that studies are designed, conducted, and analyzed with rigor and accuracy.
Glossary: Fit-for-Purpose
the determination that a tool, method, or instrument has been validated to a level sufficient for its intended or specified context of use.