I wonder how much of it was just a https://en.wikipedia.org/wiki/Clever_Hans situation
Almost all of it was exactly this.
That's why it's never been done again. Because it was never done in the first place.
And at least in Hans' case, the general public could instantly verify the result, as opposed to having it interpreted by a biased handler.
Almost all of it was exactly this.
That's why it's never been done again. Because it was never done in the first place.
And at least in Hans' case, the general public could instantly verify the result, as opposed to having it interpreted by a biased handler.