With clannishness-WEIRDness explaining a good bit of the residuals (especially at the high end) http://www.unz.com/jman/zigzag-lightning/ …https://twitter.com/kirkegaardemil/status/958516071874617344 …
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Probably a composite index of all the factors discussed here https://hbdchick.wordpress.com/2014/03/10/big-summary-post-on-the-hajnal-line/ … and here http://www.unz.com/jman/zigzag-lightning/ …
Likely many will overlap with S factor, though.
One semi-objective way to measure WEIRDness is looking at people who fill out surveys in suspicious ways. See https://www.sciencedirect.com/science/article/pii/S0191886908000238 …https://www.researchgate.net/publication/316820164_Extreme_Response_Style_A_Meta-Analysis …
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