Ana is creating a short video about the bystander effect, a psychological phenomenon in which individuals do not offer any means of help to a victim when other people are present. To make her video effective, she shows a person being beaten on a street corner, and she shows the beating from the perspective of three people who are witnesses to the beating: a man in a business suit, a woman in a flowery dress, and an older man who is walking with a cane. Which technique is Ana using?Explain