This is teacher metadiscursive awareness, not student. The teacher plans and reflects on a classroom discussion to ensure participation and to meet the goals of the discussion.
This short article from ThoughtCo provides a general definition and description of the term "metadiscourse."
A free book from the National Academies provides the research base for all science education, K-12. In particular, for this practice, teachers can focus on the initial chapters and Part Three: Realizing the Vision.