> Is there any RCT done on evaluating the efficacy of RCT? What is the set of possible results from the experiment you propose? What function are you going to

> Is there any RCT done on evaluating the efficacy of RCT? What is the set of possible results from the experiment you propose? What function are you going to test: randomness in general, some special RCT event, maybe some doctor who loves to break some double blind experiments?