matched group
[/ˈmætʃt ɡruːp/]
nounpl: matched groups
grupo pareado
1. A group of subjects or participants in a research study that have been deliberately selected to be similar in specific characteristics relevant to the study, used for comparison purposes
The researchers used a matched group design to ensure that the control and experimental groups were comparable in age and socioeconomic status.
Os pesquisadores utilizaram um design de grupo pareado para garantir que os grupos de controle e experimental fossem comparáveis em idade e status socioeconômico.
2. In statistics and experimental design, a sample where subjects are paired or grouped based on similar characteristics to reduce variability and improve comparison validity
A matched group study can minimize confounding variables and strengthen the validity of research conclusions.
Um estudo com grupo pareado pode minimizar variáveis de confusão e fortalecer a validade das conclusões da pesquisa.
This is primarily an academic and scientific term used in research methodology, statistics, and experimental design contexts. It is commonly employed in Brazilian and international academic institutions when discussing research protocols and methodology. The term reflects the formal vocabulary of the scientific community and is equally understood across Portuguese-speaking countries, though slight terminology variations may exist between Brazilian and European Portuguese in academic settings.
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