covariance analysis
[/koʊˈvɛriəns əˈnæləsɪs/]
nounpl: covariance analyses
análise de covariância
1. A statistical technique used to analyze the relationship between two or more variables while controlling for the effect of one or more covariates (confounding variables)
The researchers used covariance analysis to examine the effect of the treatment while controlling for baseline differences in age.
Os pesquisadores utilizaram análise de covariância para examinar o efeito do tratamento enquanto controlavam as diferenças de idade na linha de base.
2. A method in experimental design that combines regression analysis with analysis of variance to improve statistical power and reduce error
Covariance analysis allowed the study to detect significant differences that would have been masked by confounding variables.
A análise de covariância permitiu ao estudo detectar diferenças significativas que teriam sido mascaradas por variáveis de confusão.
This is specialized statistical terminology used primarily in academic research, particularly in psychology, education, medicine, and social sciences. In Brazil, it is commonly taught in graduate-level statistics courses and research methodology programs. The term is highly technical and standardized across both Portuguese and English-speaking academic communities with minimal regional variation.
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