With Respect to Ensuring Respondents' Freedom from Harm, Two Questions

Multiple Choice

With respect to ensuring respondents' freedom from harm, two questions can serve as a useful guide in determining whether or not a research design is ethical. One question is, "Is it impossible to restore the subject to his or her original condition?" and the other is _____.

A) Has the subject been exposed to unreasonable stress or risk without his or her knowledge?
B) Are subjects aware of the treatment received by others?
C) Are subjects anonymous?
D) Is the subject aware that he or she is participating in a research study?
E) Will subjects be properly debriefed immediately after participating in the research study?