Dr. williams believes that by administering brief electric shocks to his students, he can improve their attention to his lectures. he blames daydreaming and inattention by his students for their poor performance in his class. his colleagues are not convinced that the potential benefits to the students will outweigh the physical pain they may endure. ultimately, what will dr. williams have to obtain from his students before proceeding? medical records a debriefing of the results of the study information about the students' parents informed consent