Answer:
Interaction cues
Step-by-step explanation:
Steve Duck's filtering model determines how people consider different cues in a particular sequence to know someone. He categorized these cues as Sociological or Incidental Cues, Pre-Interaction cues, Interaction cues, and Cognitive cues. Interaction cues takes place when people interact with each other, evaluate and then make decision to either include or exclude that person.
As per the question, non-verbal communication used to decide the interaction is an example of Interaction cue.