Answer:
Correct answer is "A".
Step-by-step explanation:
After Dr. Smith writes the protocol for a new study on depression, he needs to identify an IRB (Institutional Review Board) to approve the study. The IRB is a private group responsible for rights protection, safety and the health of all human research participants. The IRB needs to verify if the investigators (Dr. Smith) follows the ethical rules and regulations of the human subject research.