Mary applies to be a part of an "income-generating experience," and is chosen to participate in a research study... what is the purpose of the study?

After she is informed of her selection for the "income-generating experience" (9), her interviewer, Matheson, reveals that she will be participating in a research study with the famous actor, Kurt Sky. He is seeking to show the boundaries of human connection and investigate the true meaning of, and motivation for, love.