AssayIndex
Quality system

Precision

Closeness of repeated measurements to each other. Says nothing about accuracy: a precise method can be consistently wrong.

Related terms

Accuracy
Closeness of a measured value to the true value. Demonstrated by recovery experiments during validation.
see also Validation · Precision
Repeatability
Precision under identical conditions in one session, same analyst, same instrument. The narrowest kind of precision.

Where this term appears

The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.