Comment by ethanwillis
Comment by ethanwillis 20 hours ago
Can you explain the reason?
Comment by ethanwillis 20 hours ago
Can you explain the reason?
I'm more interested in the reason the OP had in mind. I don't think it's required that you have a placebo control group, but the OP might have a reason in mind that's something I haven't considered.
Otherwise the sky may realize it's in the control group.