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Download full textAlatorre, Silvia; Figueras, Olimpia – International Group for the Psychology of Mathematics Education, 2003
In this article, which is part of an ongoing research, a classification is proposed for ratio comparison problems, according to their context, their quantity type, and their numerical structure. Deriving from this classification, an interview protocol was designed, and guidelines for the interpretation of answers into strategies were decided. A…
Descriptors: Interviews, Research Design, Mathematical Concepts, Comparative Analysis
