And this comment reminds me of one of my favorite articles I've seen linked from HN, "The Control Group Is Out of Control", relating to parapsychology as the control group for science and how that's not actually necessarily looking great for science itself: https://slatestarcodex.com/2014/04/28/the-control-group-is-o...
> It just means that the standard statistical methods of science are so weak and flawed as to permit a field of study to sustain itself in the complete absence of any subject matter.
They have performed lots of experiments where you do a random experiment and try to change the outcome with your mind.