Under Which of the Following Circumstances Would Deception Be Allowed

Multiple Choice

Under which of the following circumstances would deception be allowed in a research project?

A) Deception is allowed when the research project will involve significant risk, such that otherwise, few people would volunteer to be in the study.
B) Deception is allowed when a full debriefing will not be used.
C) Deception is allowed when participants are not permitted to withdraw their data from the study.
D) Deception is allowed when the results of a study would be contaminated by participants' knowledge of the experiment.