Confidentiality means that study participants have the right to ______.

A) be informed about the purpose of the research
B) have their identity concealed
C) be informed of the results of the research
D) have protection from harm

Confidentiality refers to the protection of the participant's identity and personal information. Participants have the right to remain anonymous or have their identity concealed in research. The other options (A, C, and D) do not specifically pertain to confidentiality, but rather to other ethical principles in research such as informed consent, debriefing, and protection from harm.