Knowing functions and functional thinking have recently moved from just knowledge for older students to incorporating younger students, and functional thinking has been identified as one of the core competencies for algebra. Although it is significant for mathematical understanding, there is no unified view of functional thinking and how different…

The coherence principle suggests removing unnecessary--or seductive--content from educational texts to reduce cognitive load. However, the binary proposition that all seductive details should be excluded neglects images' potential to prime semantically related concepts, which makes texts easier to process. It was hypothesized that this priming…

Teacher-centered lecture-style classes predominate in the Republic of Korea. Typically, classes follow a three-stage structure: introduction, development, and wrap-up. This study aims to analyze concepts teachers present in each stage of photosynthesis classes from a conceptual perspective and how these concepts are connected across each stage. To…