Instructors' attention to students is vital for teaching. However, instructors' level of attention to students, which has the potential to influence students' learning across different lecture types, has yet to be fully explored. The aim of this study was to examine the impacts of the instructor's attention to students and lecture type on…

Background: Guided gaze is the instructor's gaze towards teaching materials to guide students' attention, and it plays a vital role in enhancing video-based education. The duration of guided gaze, indicating how long instructors focus on teaching materials, varies based on the lecture design. Nevertheless, the impact of varying durations of guided…

As an important resource in online learning, video lectures have attracted considerable research attention in the impact of teachers' nonverbal guidance behaviors on learning. However, few studies have focused on secondary education, and it remains unclear whether the interaction between different guidance frequencies and types leads to variations…