Institutions Conducting Research Will Evaluate Every Proposed Study's Beneficence, Which

Institutions conducting research will evaluate every proposed study's beneficence, which is __________.

A) each participant's guarantee that no personal, confidential information will be revealed
B) each person's awareness that he or she can discontinue participation at any time
C) the ratio of benefits to costs (e.g., stress, discomfort) of the research
D) the extent to which the participant knows his or her role in the study