Simple psychology question, ethics

Is the study described below ethical? Justify your position. Be sure to incorporate information from Chapter 2 into your response. A person walking with a cane pretends to collapse in a subway car. Stage blood trickles from his mouth. If someone approaches the victim, he allows the party to help him to his feet. If no one approaches before the train slows to a stop, another experimenter, posing as a passenger, pretends to do so and both leave the train. Helping behavior or lack thereof is recorded.
Provide a response of 150 words minimum. use the attachments and here is the citation for it Jackson, S. L. (2015). Research Methods and Statistics: A Critical Thinking Approach (5th ed.). Cengage Learning.
APA formart please!!!