A researcher uses debriefing when he uses deception in a study:. a. has a study approved by the Institutional Review Board.
b. has a study approved by the Institutional Animal Care and Use Committee.
c. explains the purpose of a study before the study begins.
d. explains the true purpose of a study immediately after the study is complete.

d. explains the true purpose of a study immediately after the study is complete.

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.

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