As part of the predominantly qualitative trend of research in science education, appropriation of approaches to linguistic data analysis has also recently increased. Considering this situation, we intend to contribute to the deepening of the appropriation of linguistic data analysis discussing from a theoretical point of view, concepts and epistemological aspects of the most frequent approaches, seeking to compare some fundamentals and conceptions of language associated with Bakhtin's philosophy of language with the content analysis and with discourse analysis. From a methodological standpoint, our contribution is given by the presentation of an analytical device elaborated in the basis of Bakhtinian theory.
Discourse analysis; Bakhtinian analysis; Analytical device; Science teaching.
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