In this scenario the actor playing the “researcher” could play the part of authoritative medical professional, with a white coat with embroidered name and title; one could even go for a beard and a Viennese accent. The participant could be told that the study was measuring the emotional reaction of the participant to inducing orgasm with this powereful device, and how that correlated with the intensity of orgasm induced. That might add the amusing aspect of post experiment interviews showing responses ranging from “I done did that bitch like she never been done before!!! High five!!” to “WHY?!!! WHY WHY WHY WHY WHY?!!!!!!!!” The whole scheme would definitely depend on getting girls who could convincingly and still entertainingly act the part of subject/victim.
Of course, the whole thing would have little stroke value, being just a peripherally erotic freak show and bleakly humorous commentary on the human psyche, but one could say the same thing about reverse bukkake or anything involving De’Bella.