This study investigated the effect of a paper folding activity prepared to develop the sixth-grade students' concept definitions and images of parallelism and perpendicularity concepts. The study also examined how the concept definition and images changed after the paper folding activity. A combination of quantitative and qualitative methods was…

The aim of this longitudinal research is to examine the development process of scientific and consistent knowledge structures of first, second, and third-grade students in middle school within the concepts of melting and dissolution according to conceptual change theories at the end of the education and training processes carried out in…

Executive function (EF) skills are cognitive processes that include goal setting, organizing, prioritizing, flexibly shifting attention, accessing working memory, and self-monitoring behavior and progress (Meltzer, 2018). These skills are integral in promoting students' ability to self-regulate their learning, solve problems, and work…