LSD microdosing experiment: pair 16: placebo then active?

Created by gwern on 2013-02-13; known on 2013-02-14; judged right by gwern on 2013-02-13.

• gwern estimated 50% on 2013-02-13
• gwern   judged this prediction right on 2013-02-13.
• gwern changed the deadline from “on 2013-02-13” and made the prediction on 2013-10-16

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