According to the Ethical Principles Developed by Canada's Tricouncil, Investigators

According to the ethical principles developed by Canada's tricouncil, investigators conducting research are urged to do all of the following except:

A) use of deception is acceptable in research even when other alternatives exist as long as participants are fully debriefed afterwards.
B) treat information about the individual participants confidentially.
C) give participants enough information to enable their informed consent.
D) debrief participants and fully explain the experiment afterwards.