sample representativeness

[ˈsæmpəl ˌrɛprɪˈzɛntətɪvnəs]
noun
representatividade da amostra
1. the degree to which a sample accurately reflects the characteristics and composition of the population from which it was drawn
The sample representativeness was questioned because the survey excluded rural areas.
A representatividade da amostra foi questionada porque a pesquisa excluiu áreas rurais.
2. the quality of a sample being typical and characteristic of the larger population in statistical research
To ensure sample representativeness, researchers used stratified random sampling.
Para garantir a representatividade da amostra, os pesquisadores utilizaram amostragem aleatória estratificada.
3. the extent to which findings from a sample can be generalized to the entire population
Poor sample representativeness limits the validity of the study's conclusions.
A baixa representatividade da amostra limita a validade das conclusões do estudo.
This is a specialized statistical and research methodology term widely used in Brazilian and Portuguese academia, as well as in American and international research contexts. It is essential in social sciences, market research, and public opinion polling. The term reflects the importance placed on methodological rigor in academic settings across both Portuguese-speaking and English-speaking countries.
Synonyms / Sinônimos
representative qualitysampling accuracypopulation validitygeneralizability
Antonyms / Antônimos
sample biasnon-representativenesssampling errorpopulation unrepresentativeness

Regional Variations

General Brazilian
representatividade da amostra
standard term used in academic and research contexts
São Paulo
representatividade amostral
alternative technical term commonly used in universities
Portugal
representatividade da amostra
same as Brazilian Portuguese, standard academic usage
General American
sample representativeness
primary technical term in English-language research

Related Words

sampling methodpopulation parameterstatistical inferencestratified samplingrandom samplingsampling biasexternal validity

Related Idioms & Phrases

a representative cross-section
true to form
mirror the population
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