Answer:
Undue influence on the subjects
Step-by-step explanation:
An institutional Review Board (IRB) can be said to be a type of committee that uses research ethics by reviewing the procedures (methods) to be used (proposed) for research a studies to ensure that they are ethical.
According to federal regulations of expedited review of a new, proposed study can only be used by the IRB if only the study involves no more than minimal risk and meets one of the allowable categories of expedited review specified in federal regulations. Usually, being involved in the research studies is voluntary, but if you choose to take part, you waive the right to legal redress for any research-related injuries. IRB will be most concerned about the possibility of Undue influence on the subjects is critical to the research studies.