What is depicted in the image below?

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?

I'm dying: a couple going on vacation but his wife was on a business trip so he went to the destination first and his wife would meet him the next day. when he reached his hotel, he decided to send his wife a quick email. unfortunately, when typing her address, he mistyped a letter and his note was directed instead to an elderly preacher’s wife whose husband had passed away only the day before. when the grieving widow checked her email, she took one look at the monitor, let out a piercing scream, and fell to the floor in a dead faint. at the sound, her family rushed into the room and saw this note on the screen: dearest wife, just got checked in. everything prepared for your arrival tomorrow. p.s. sure is hot down here.

Social documentation is a formal photograph of the document social security in an attempt influence people‘s thoughts and actions which of the following is not considered a great photograph or social documentation of the great depression