In class, an instructor asks, "Did everyone get a chance to read the chapter?" The students respond by nodding their heads to communicate back to the instructor without taking on the speaking role. The students are using __________.

# Brief Explanations:<br />Back-channeling cues are nonverbal signals or behaviors used to communicate understanding, attention, or agreement without taking over the speaker's role. In this context, nodding represents such a cue, showing that the students have received the message and signaling agreement or acknowledgment without interrupting the instructor.<br /><br /># Answer:<br />back-channeling cues