concurrent validity

https://doi.org/10.1351/goldbook.15586
Measurement and its criterion refer to the same point in time.
Example: A visual inspection of a wound for evidence of infection validated against bacteriological examination of a specimen taken at the same time.
Source:
PAC, 2007, 79, 1153. (Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)) on page 1195 [Terms] [Paper]