Answer: Should receive consent from student participant along with informing them about official plan of research
Explanation:
According to the question, psychology student who want to conduct experiments on fellow classmates under guidance of instructor on embarrassment concept .Instructor wants to make sure that students as participant must know about the course of action and guideline involved in research.
Through this process , instructor want to gain consent of the participants so that they are aware about the plan and guidelines of research .This will help participating student to make a clear and informed decision