This study analysed the designs of algebraic problems in elementary mathematics textbooks used in Finland, Indonesia, Malaysia, Singapore, and Taiwan. This study employed a content-analysis method that focused on four dimensions: representational forms, cognitive demand levels (CDLs), contextual features, and types of responses. The result of the…

This study aims to unify the effect size of experimental studies that were carried out to determine the effect of teaching strategies, methods and techniques on creative thinking skills, and to find out whether this effect size was of significant differences for certain variables. A meta-analysis of 19 studies investigating the effect of teaching…

Using data from the international Teacher Education and Development Study: Learning to Teach Mathematics (TEDS-M), the measurement equivalence of teachers' beliefs across countries is investigated for the case of "mathematics-as-a fixed-ability". Measurement equivalence is a crucial topic in all international large-scale assessments and…