A flipped classroom is typically one where some of the instruction occurs asynchronously prior to the scheduled synchronous meeting between students and the instructor. Since 2000, they have gained substantial popularity especially in STEM fields where they have been shown to have increased exam scores and reduce the number of students who fail.…

Although the chemical literature contains many studies of multimedia-based learning and teacher enthusiasm, there is a paucity of research on whether and to what extent teacher enthusiasm in video lectures affects students' learning, especially in chemistry. In this context, this mixed-method study used eye tracking and quantitative analysis to…