Instructional videos risk overloading learners' limited working memory resources due to the transient information effect. Learner control is one way to mitigate this concern, but has shown almost zero overall effect and considerable heterogeneity. Consequently, it is essential to identify when learner control is most beneficial. The present study…

In video lectures, instructors naturally produce nonverbal behaviors, such as gestures, facial expressions, and gaze guidance. Instructors' pointing gestures can act as attentional cues, directing students' attention, while their positive facial expressions can act as social cues, eliciting students' positive social response. The current study…