entities (or events, individuals, organizations, etc) from the broader population to measure or otherwise take evidence from. Case Selection The process of choosing the limited set of entities/events/organizations/etc. to include in research within which samples may reside. Empirical Context The real-world subject matter upon which research focuses; the empirical context may be defined on the basis of many dimensions, including those which are geographic, temporal, historical, cultural, social, political, or functional in nature (and beyond).