cluster sample design
[/ˈklʌstər ˈsæmpəl dɪˈzaɪn/]
nounpl: cluster sample designs
desenho de amostragem por conglomerados
1. A sampling methodology in which the population is divided into clusters (groups or geographic areas), and entire clusters are randomly selected for study rather than individual units
The market research team used a cluster sample design to survey households in different neighborhoods across the city.
A equipe de pesquisa de mercado utilizou um desenho de amostragem por conglomerados para entrevistar domicílios em diferentes bairros da cidade.
2. A cost-effective sampling approach commonly used in large-scale surveys where populations are naturally grouped geographically or administratively
For the national health survey, researchers employed a cluster sample design to reduce travel costs and logistics.
Para o inquérito nacional de saúde, os pesquisadores utilizaram um desenho de amostragem por conglomerados para reduzir custos de deslocamento e logística.
This is a technical term widely used in academic research, market studies, and government surveys across both Brazil and the United States. In Brazilian universities and research institutions, the term is increasingly used as 'amostragem por clusters' alongside the more formal Portuguese translation, reflecting the influence of English-language statistical literature in academic environments.
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