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>"The null hypothesis (fake condition #1 == fake condition #2) has to be true, by construction." The null hypothesis is not only that condition 1 == condition
by nonbel 10y ago
>"The null hypothesis (fake condition #1 == fake condition #2) has to be true, by construction."
The null hypothesis is not only that condition 1 == condition 2, it involves other assumptions being made. From their own description, they knew it was false before even doing this analysis and used this knowledge to design the study. Apparently there is some incorrect assumption about autocorrelation being made.
It seems the authors did not really grasp what hypothesis they were testing, leading to their confused (but still productive) description of the problem. I go into more in this post: https://news.ycombinator.com/item?id=12032772 https://news.ycombinator.com/item?id=12032772