stratification.

The division or arrangement of something into distinct layers or groups.

Use it for

Words that belong together

• sample stratification
• social stratification

On the page

Sample stratification ensured that each specified subgroup was represented in the design.

Social stratification shaped access to the institutions included in the study.

Usage notes

Primary category: science / research / methodology. Forms: Usually uncountable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: method specification, measurement critique, model interpretation, qualification. Disciplines: research methods, statistics, experimental design. Commonness: moderately common.