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ChristianKl comments on Measuring open-mindedness - Less Wrong Discussion
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Comments (23)
"Noticeable" is not a word that usually appears in statistics. Science papers rather speak about whether or not effects are statistically relevant.
Another question would be whether the vectors you have found are robust. Do they change when you drop a few users, or do they stay the same. If they change, than it's not clear that you have found a reliable category.
Reading things into data that aren't there happens quite often in statistics and I'm not sure that in this case there's enough data to draw strong conclusions.
As I’ve written above, the two groups may not be representative of the LW community or the US population. But within each group the differences were statistically significant, so the question about their origin would be valid in any case.
If the significant means statistical significance, then what's the p-value?
In the "optimate" vs "populare" case, the difference was significant at about 2.5 sigmas. I don't remember the exact values in the "left" vs "right" case, but it was over 10 sigmas.