Kaizen is the combination of the words kai (change) and zen (better) in Japanese. It means change for the better, continuous improvement (Albayrak, 2019). In Japan, Kaizen is a task for all staff and stakeholders. Kaizen can be regarded as the reflection of two different perspectives on management in terms of two distinct cultures. The difference…

Model-eliciting activities are problem-solving activities that differ from traditional problems as they include non-routine, open-ended, and complicated real-life situations with various solutions (Lesh & Doerr, 2003). According to Lesh, Hoover, Hole, Kelly and Post (2000), a model-eliciting activity must follow certain principles, namely, the…

The aim of this research is to develop a guide material prepared according to Purdue Model for the 'The Let's Solve the Puzzle of Our Body' unit in the 5th grade science class at secondary school and to research the effects of this guide material on students' creative thinking. For this purpose, the research was carried out by using the quasi…

Previous research has reported that students commonly develop alternative conceptions in the core topic of chemical bonding. Research in England has reported that students there commonly demonstrate an alternative "molecular" conceptual framework for thinking about ionic bonding: in terms of the formation of molecule-like ions pairs…

This paper is structured in two sections. The first examines views of mathematical abstraction in two broad categories: empiricist and dialectical accounts. It documents the difficulties involved in and explores the potentialities of both accounts. Then it outlines a recent model which takes a dialectical materialist approach to abstraction in…