15569 IUPAC Gold Book - cluster sampling 10.1351/goldbook.15569 15569 current 1 A method of sampling in which the population is divided into aggregates (or clusters) of items bound together in a certain manner. A sample of these clusters is taken at random, and all the items which constitute them are included in the sample. A sampling method in which each unit selected is a group of persons (all persons in a city block, a family, etc.) rather than an individual. PAC, 2007, 79, 1153. 'Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)' on page 1192 (https://doi.org/10.1351/pac200779071153) https://goldbook.iupac.org/terms/view/15569/html https://goldbook.iupac.org/terms/view/15569/json https://goldbook.iupac.org/terms/view/15569/plain Citation: 'cluster sampling' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.15569 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-07-12T05:35:30+00:00