Neste estudo, modelos de regressão em três níveis hierárquicos (alunos, turmas e escolas) são construídos para explicar a proficiência dos alunos da 4ª série do ensino fundamental, alcançada na avaliação de língua portuguesa do Programa Mineiro de Avaliação da Educação Básica (PROEB/SIMAVE-2002). Mostra-se que existe grande variabilidade explicada pelas diferenças entre as turmas, razoável variabilidade explicada pelas diferenças entre as escolas, além da enorme variabilidade explicada pelas diferenças entre os alunos. Encontrou-se, por meio da introdução das variáveis estudadas nos modelos, explicação para substancial parcela da variabilidade total.
In this paper, three-level hierarchical regression models (the first level represents the students; the second level, the classrooms; and the third level, the schools) are produced to explain levels of proficiency achieved in the Portuguese language assessment of the PROEB/SIMAVE-2002 - the Minas Gerais State Programme for the Assessment of Elementary Education, by students in the 4th year of elementary school. Results show that there is large variability explained by classroom differences, reasonable variability explained by school differences, and enormous variability explained by student differences. When the variables studied are introduced in the models, a substantial portion of the total variability is explained.
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