How does this contradict your earlier comment? I think it's still valid: Person A believes H1 (real psychic), Person B believes H2 (talented fraud). The quest

How does this contradict your earlier comment? I think it's still valid: Person A believes H1 (real psychic), Person B believes H2 (talented fraud). The question now is how to get them to agree. And the answer is: design a better experiment, such that fraud is not practical, and see what happens.