Measuring antisocial behavior well

I have previously written about issues with measuring antisocial/criminal behavior, but I found a study that did it very well, so we will be talking about it. Baker, L. A., Jacobson, K. C., Raine, A., Lozano, D. I., & Bezdjian, S. (2007). Genetic and environmental bases of childhood antisocial behavior: a multi-informant twin study. Journal…

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Notes on Steve Hsu’s second interview w/ Daphne Martschenko

Back in January, Steve Hsu did an interview with Daphne Martschenko who is a phd candidate at Cambridge in education. She’s basically doing science journalism on behavioral genetics as far as I can tell. Now there’s a new interview up. I have some comments to it because Steve was a little too nice. Bias from…

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Is sharing the chorion important? (No)

In the comments on this SlateStarCodex post, someone is questioning my claim that sharing the chorion (what is that?) is unimportant: Emil: Uterine environment stuff is not important. We know this because of this study http://link.springer.com/article/10.1007/s10519-015-9745-3 and because ordinary siblings are about as similar as DZ twins who did share the uterus at the same…

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