Cross-sectional studies such as TIMSS can reveal associations between teaching practices and student achievement that are against expectations with the theory of Educational Effectiveness Research. Therefore, this paper extends TIMSS 2019 study into a follow-up approach examining what is the contribution of TIMSS educational assessment in Teacher…

This paper advocates the use of the Dynamic Approach (DA) to promote Student Self-Assessment (SSA) for formative purposes. DA is based on the assumption that professional development should be differentiated to meet teachers' needs, while engaging them into guided critical reflection. A sample of 45 teachers was randomly allocated into two groups:…

Even though there is growing consensus for engaging primary students with early algebraic ideas, there is limited research knowledge about the relevant learning opportunities designed in textbooks. Textbooks are considered to play an important role in what is happening in classrooms, especially in educational contexts where classroom instruction…

In this research work we explored the nature of 9-12 year old pupils' responses to probabilistic problems with tree diagrams. It was found that a large percentage of pupils failed to respond correctly even to very simple problems that demanded the identification of "possible routes/paths" in figures with tree diagrams/mazes. The results…