When Must a Researcher Be Sure to Debrief Participants in an Experiment

Multiple Choice

When must a researcher be sure to debrief participants in an experiment?

A) debriefing cannot be done until the study is complete and has been published
B) debriefing must be done in experiments where one group of participants is asked to do something for a reason other than that which they are told
C) debriefing must occur when the null hypothesis is not upheld
D) debriefing must occur any time one does a case study