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María José Castillo Céspedes; María Burgos Navarro – Educational Studies in Mathematics, 2025
The study reported in this paper contributes to the literature on prospective teachers' decision making, specifically regarding how they analyze and make informed decisions about the use of their textbooks. We designed a training intervention with 28 future Costa Rican teachers, in which they had to identify and manage semiotic conflicts that can…
Descriptors: Foreign Countries, Decision Making, Semiotics, Instructional Materials
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Izquierdo, Merce; Marquez, Conxita; Gouvea, Guaracira – Science Education International, 2008
The present study relates to a research line in didactics of science that focuses on the function that sign systems or semiotic modes have in communicative interactions in science classrooms. The study was conducted by 20 secondary and university science teachers who belong to the same research group LIEC ("Language and Science…
Descriptors: Textbooks, Science Education, Textbook Content, Textbook Evaluation