structural:scholar_edition
Different names, same concepts

The three core concepts on this page, as named in different places, are listed in the same order in each subsection below.

This Wikipedia page

Validity (avoidance of observational error, the overarching concern)

· Accuracy

· Precision

ISO 5725

Accuracy

· Trueness (avoidance of systematic error; previously, avoidance of bias)

· Precision (avoidance of random error)

Statistics

Accuracy

· Bias

· Variability

Psychometrics

Measurement properties

· Validity (avoidance of constant error)

· Reliability (avoidance of variable error).