The paper presents an analysis of engagement markers in the Lectures on Physics by eminent scientist and Nobel prizewinner R. P. Feynman, based on K. Hyland's model of interaction in academic discourse as stance and engagement. The Lectures were taught at the California Institute of Technology during 1961-63 and, having been turned into a…

Lecture videos are amongst the most widely used instructional methods within present Massive Open Online Courses (MOOCs) and other digital educational platforms. As the main form of instruction, student engagement behaviour, including interaction with videos, directly impacts the student success or failure and accordingly, in-video dropouts…

In 2 separate studies, we found that college-age students learned more when they collaboratively watched tutorial dialogue-videos than lecture-style monologue-videos. In fact, they can learn as well as the tutees in the dialogue-videos. These results replicate similar findings in the literature showing the advantage of dialogue-videos even when…

The present study investigates the rhetorical structure of academic lecture closings, and the impact of class size on this part genre. A framework of "stages" and "strategies" is developed to analyze the rhetorical structure of lecture closings. Large and small classes are further compared to find how class size may influence the ways lecturers…