The American Psychological Association Guidelines the Most Serious Ethical Problem

The American Psychological Association Guidelines The most serious ethical problem in debriefing subjects in a psychology
Study is whether

A) debriefing might damage subject self-esteem when they learn that they were easily deceived.
B) debriefing will reverse all of an experiment's negative effects.
C) researchers should ask subjects if they were deceived by the experimental procedure.
D) subjects will reveal the true purpose of a study to prospective subjects.