CDISC-Gloss – Establishing, using quantitative methods, the extent to which the relationships among items, domains, and concepts of a clinical outcome assessment (COA) conform to a priori hypotheses concerning logical relationships that should exist with other measures or characteristics of patients and patient groups. [NIH-FDA BEST (Biomarkers, Endpoints, and other Tools) Resource, https://www.ncbi.nlm.nih.gov/books/NBK338448/] See also Validation.