To find out whether participants figured out what was being manipulated in an experiment, an experimenter is most likely to use a immediately after participants have completed the study.
a. structured debriefing
b. post-manipulation interview
c. feedback protocol
d. manipulation check

Option A.

Explanation:

Structured debriefing , is the right answer.

In simple terms, Debriefing is a summary of any project or the final obtained information. This is a kind of structured process, which follow an exercise or performance that evaluates the procedures taken. Basically, it is a significant approach for learning from mistakes and for enhancing the appearance. This strategy is one of the most significant means in simulation and is also suggested after a real-life emergency acknowledgement.

answer; i believe that the correct answer is ( troxel v. granville);