sampling frame
[/ˈsæmplɪŋ freɪm/]
nounpl: sampling frames
marco amostral
1. A complete list or set of all elements in a population from which a sample is drawn in statistical research or surveys
The sampling frame for the market research study included all registered customers from the past five years.
O marco amostral para o estudo de pesquisa de mercado incluía todos os clientes registrados dos últimos cinco anos.
2. The source material or operational list used to identify and select units for inclusion in a sample
A proper sampling frame is essential to ensure that the sample is representative of the target population.
Um marco amostral adequado é essencial para garantir que a amostra seja representativa da população-alvo.
3. In survey methodology, the actual list from which sample units are selected
The telephone directory served as the sampling frame for the random digit dialing survey.
O diretório telefônico serviu como marco amostral para a pesquisa de discagem aleatória de dígitos.
This is a technical term primarily used in academic, statistical, and market research contexts in both Brazil and the USA. It is essential in quantitative research methodology and is increasingly important in Brazilian academia as empirical research methods gain prominence. The term reflects the globalized nature of research standards and methodologies across English and Portuguese-speaking countries.
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