Answer:
American Psychological Association (APA) / Institutional Review Board (IRB).
Explanation:
American Psychological Association (APA) is the largest professional body in the United States of America, where scientists, educators, clinicians, consultants, and students, all belong to, with a total number of 121,000 members currently enrolled. They established the Ethical Principles of Psychologists and Code of Conduct.
Institutional Review Board (IRB), on the other hand, evaluates the ethical nature of research (both funded and not funded) conducted at colleges and universities.