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Darstellungen sind für Erkenntnis- und Kommunikationsprozesse in der Mathematik und im Mathematikunterricht wesentlich. Im Sachrechnen werden grafische Darstellungen hauptsächlich als Bearbeitungshilfen verwendet und erforscht. Studien zur Förderung der Nutzung grafischer Bearbeitungshilfen...
The discrepancy between school and academic mathematics as well as the resulting problems for secondary mathematics teachers’ content knowledge (CK) have been well known since Felix Klein pointed out the problem of so-called double discontinuity. However, even today, the field of mathematics...
Competency measures in the area of statistical literacy have shown that learners’ achievement can be described by hierarchical models. However, empirical studies focusing on possible impact factors are scarce. In this paper we analyze students’ achievement concerning the competency using models...
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