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He is saying that in one single test of two groups, one of the teams has to win. Deciding that they won because of 'x' after the fact is not science.


They decided to see if X would help one team win before they collected results.


Oh okay I missed that. I still question the statistical significance of a single experiment. Still interesting though.


I usually assume that SciAm does a decent job of making sure they print credible articles. So I would generally assume that the experimental design was good.




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