Answer:
d. explains the true purpose of a study immediately after the study is complete.
Step-by-step explanation:
Debriefing: In psychology, the term "debriefing" is described as a process that is being conducted in various psychological researches involving human being as subjects after a specific study or an experiment has been concluded. Therefore, the process of debriefing involves a semi-structured or structured interview between the subjects or participants of the study and the researcher in which every element of the specific experiment or study is being discussed elaborately.
In the question above, the correct option is d.