What are the mechanisms that can explain how income influences health? 2. What amount of inequality between rich and poor is tolerable? At what point do people become too rich or

Instructions: Please choose one of the three case studies for your discussion board response. For your response, please indicate with reasoning whether you consider it to be ethical or unethical.
Study #1. A social psychologist sits in a crowded bar all evening and records the number of people who came into the bar alone who leave alone or who leave with someone else, and the time at which they left.
Study #2. A researcher wants to administer a new drug hypothesized to affect aggressive behaviour. He chooses prison inmates to be his participants, reasoning that aggression is more common in prisons. To persuade prisoners to participate, they are promised favourable letters to their parole boards which may facilitate earlier release.
Study #3. A team of researchers is interested in studying helping behaviour. They stage a scene in a subway in which a confederate falls off his seat and bleeds from the mouth. The dependent variable is how quickly bystanders help the “victim.” The bystanders are never told they have been in an experiment.