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

Institutions conducting research should evaluate every proposed study's beneficence, which is ________.

A) minimizing costs for participants and maximizing benefits
B) the extent to which the participant knows his or her role in the study
C) each person's awareness that he or she can discontinue participation at any time
D) each participant's guarantee that no personal, and confidential information will be revealed