Question: When is deception an acceptable tool to use in research? Whenever the researchers want, as long as they debrief their participants. Whenever the researchers want to use it. Only when it is necessary in order to get accurate results and not give away the true intentions of the study. Researchers are never allowed to use deception. Only when it is necessary in order to get accurate results and not give away the true intentions of the study, and it is completely ethical and followed by a debrief. Need Assignment Help?