How does perugino use the people in the background to create a sense of distance?

One of the researchers mentions that he is looking for "affiliation cues" in the video recordings of the experiment. how would you describe what these affiliation cues indicate?

Is there anyone that goes to lowndes high school that wants to be in a band? if so then go to michael moore. do you a. want to b. maybe c. d. no e. sorry. can't.

True or false: workers in the food handling industry include the processing plant workers, truckers, and grocery store personal.