This study aims to investigate the ways in which a particular digital technology, the Interactive Whiteboard (IWB), mediates preschool teachers' teaching. Over five months in 2017 and early spring 2018, five preschool teachers and 22 children aged 4--6 were video observed. By identifying aspects of IWB as a mediational means, the findings of the…

This article is about the systematization and representation young children spontaneously use when they are working on a combinatorial task. In this article, documentations from 123 children working on the same task are analysed. The question asked is if there are any connections between the systematizations and representations used in the…

This study explores first-year university students' reasoning as they learn to draw Lewis structures. We also present a theoretical account of the formal procedure commonly taught for drawing these structures. Students' discussions during problem-solving activities were video recorded and detailed analyses of the discussions were made through the…

In educational research, it is well-known that collaborative work on core conceptual issues in physics leads to significant improvements in students' conceptual understanding. In this paper, we explore collaborative learning in action, adding to previous research in engineering education with a specific focus on the students' use of free body…

Children of foreign origin are increasingly failing in mathematics in Swedish compulsory schools. This article analyses the didactics at a school proven very successful in teaching mathematics to all children including the 70% of children of foreign origin. The situation at the studied school is compared to research of the Swedish school system…