Glossary Term

Statistical Power

Performance MetricsEN

Definition

A measure of the likelihood that a significance test will detect an effect or difference in a sample if the effect or difference exists in the entire population from which that sample was taken.

Extended Notes

Source: National Cancer Institute, NCI Thesaurus 26.09d, C53191. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.

Also Known As

Statistical Power