2020
DOI: 10.1590/1980-4415v34n68a19
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O Papel dos Ostensivos na Representação de Variáveis Estatísticas Qualitativas

Abstract: Resumo A essência da Estatística está na possibilidade de extração de informações relevantes a partir de dados coletados sobre aspectos da realidade. Para isso, os dados são transformados em tabelas, gráficos e medidas resumo. A compreensão dessas transformações pelo estudante é crucial para a aprendizagem. Neste artigo tecem-se reflexões teóricas sobre as ações de estudantes e o papel do material concreto manipulável como ostensivos na gestão e na representação de variáveis estatísticas qualitativas que sofre… Show more

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Cited by 3 publications
(4 citation statements)
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“…Similar to what Cazorla, Henriques, andSantana (2020, p. 1249) proposed, given the use of ostensives in the representation of qualitative variables, we based this study on the anthropological theory of the didactic (ATD) regarding the concepts of ostensives and non-ostensives, which allow us to explore "the potential of manipulable concrete materials as ostensives suitable to the representation of theoretical statistical data based on the mental mobilisation of the inherent non-ostensive objects, as well as the observation and analysis of the students' quantitative actions," aiming to expand that theoretical framework for the representation of the quantitative variables.…”
Section: The Anthropological Theory Of the Didactic: The Role Of The ...supporting
confidence: 55%
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“…Similar to what Cazorla, Henriques, andSantana (2020, p. 1249) proposed, given the use of ostensives in the representation of qualitative variables, we based this study on the anthropological theory of the didactic (ATD) regarding the concepts of ostensives and non-ostensives, which allow us to explore "the potential of manipulable concrete materials as ostensives suitable to the representation of theoretical statistical data based on the mental mobilisation of the inherent non-ostensive objects, as well as the observation and analysis of the students' quantitative actions," aiming to expand that theoretical framework for the representation of the quantitative variables.…”
Section: The Anthropological Theory Of the Didactic: The Role Of The ...supporting
confidence: 55%
“…Manipulable concrete material in mathematics teaching is very much used, especially in early childhood education and in the early years of elementary school. This trend is also seen in statistics teaching, as shown by the works of Selva (2003), Caetano (2004), Alsina (2017), Cazorla, Henriques, and Santana (2020), among others. This seems to be partly explained because, in this stage of basic education, more emphasis is placed on the treatment of qualitative variables, according to the BNCC (MEC, 2018).…”
Section: Introductionmentioning
confidence: 70%
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