cluster sampling


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Related to cluster sampling: Systematic sampling, Convenience Sampling

cluster sampling

[′kləs·tər ‚sam·pliŋ]
(statistics)
A random sampling plan in which the population is subdivided into groups called clusters so that there is small variability within clusters and large variability between clusters.
References in periodicals archive ?
Systematic adaptive cluster sampling for the assessment of rare tree species in Nepal.Forest Ecology andManagement, 137(3): 65 - 73.
The toolkit, which can be freely downloaded from the CDC website at www.cdc.gov/nceh/hsb/disaster/casper.htm, explains how to perform cluster sampling and conduct field assessments.
Inverse adaptive cluster sampling. Biometrics 57:1096-1105.
A stratified (by state/territory and location) cluster sampling design was used, with schools randomly sampled in the first and classes in the second stage of sampling.
As shown, after adjusting for the cluster sampling effect, a number of variables were significantly associated with social interaction anxiety.
It is contrary to the conventional cluster sampling where sample size 'n' is fixed in advance and the rare event is counted after attaining the sample size 'n', then the disease burden 'P' is estimated as m/n where m is the number of events in the study population.
The effect of cluster sampling design in survey research on the standard error statistic.
This prospective study identified, using a two-stage cluster sampling method, young men intending to undergo traditional or clinical circumcision in Bungoma district, Kenya, where male circumcision is universally practised.
Cluster sampling is often used for geographic data such as real estate where clusters are naturally occurring.
The two-stage cluster sampling surveys among reproductive-aged women, 15 to 45 years old, were conducted between September 2006 and January 2007 in the Shan, Mon, Karen, and Karenni communities in eastern Myanmar.

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