Looks like it is goodbye to Moral Foundations Theory. Ungated PDF: http://emilkirkegaard.dk/en/wp-content/uploads/ajps12255.pdf …https://twitter.com/StuartJRitchie/status/719436144425967616 …
@KirkegaardEmil This is the only study (?) I've ever seen that is more or less totally consistent with pure noise.pic.twitter.com/MSK9Snw8ch
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@KirkegaardEmil They seem to have used 2-4 Likert items for each of the five variables, so it's not surprising that noise predominates. -
@pnin1957 OCEAN can be measured with 10 items. They have 20 items. -
@KirkegaardEmil How heritable is the 10-item OCEAN? -
@KirkegaardEmil They've low power and a lot of noise. ACEs for the political ideology tests, based on 22 items, significant but w/ wide CIs. -
@KirkegaardEmil The results consistent w/ h2's of 0-40% for the Moral Foundations. With more items, h2's would be higher.@StuartJRitchie -
@KirkegaardEmil@StuartJRitchie Haidt makes similar points re: reliability as I did:http://righteousmind.com/are-moral-foundations-heritable-probably/ …
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