Abstract

SOUSA, LEANDRO ARAUJO DE; PONTES JUNIOR, JOSÉ AIRTON DE FREITAS  and  BRAGA, ADRIANA EUFRÁSIO. ARE THE TESTS OF THE NATIONAL EXAM OF UPPER SECONDARY EDUCATION UNIDIMENSIONAL?. Est. Aval. Educ. [online]. 2020, vol.31, n.78, pp.554-576.  Epub June 09, 2021. ISSN 1984-932X.  https://doi.org/10.18222/eae.v31i78.7203.

The Item Response Theory model used in many educational tests in Brazil, such as the Exame Nacional do Ensino Médio [National Exam of Upper Secondary Education], requires that items be unidimensional. This research therefore aimed to analyze whether the items of this exam contain such an assumption. Based on a random sample of participants who took the exam in 2017, the dimensionality of its tests was investigated using the Parallel Analysis test and the Full Information Factor Analysis. The results show that some items are not unidimensional.

Keywords : EDUCATION ASSESSMENT; ASSESSMENT METHODS; FACTOR ANALYSIS; ITEM RESPONSE THEORY.

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