Who prefers to date people of their own race?
Data from the OKCupid project. In light of a recent paper examining who prefers to date within their own religion, I recalled that there was a question about this in…
Cognitive dysgenics in the OKCupid dataset: a few simple analyses
OKCupid dataset (not public right now, contact me if you want the password). Draft paper: https://osf.io/p9ixw/ I looked at whether there was evidence for cognitive dysgenics in the OKCupid dataset.…
US state IQs cannot be estimated from OKCupid data
In the interest of publishing null findings: I tried estimating US state IQs from the mean cognitive ability for users in the OKCupid dataset. However, this did not work out.…
Data sharing and Add Health
I am doing an S factor study of US counties in the usual way. For that reason, I need some kind of county-level cognitive ability estimate. I know that this…
New papers out! Admixture in the Americas
I forgot to post this blog post at the time of publication as I usually do. However, here it is. As explored in some previous posts, John Fuerst and I…
Some numbers on non-shared ‘environment’ effects
https://slatestarcodex.com/2016/03/16/non-shared-environment-doesnt-just-mean-schools-and-peers/ Scott Alexander has a new post out summarizing the interpretations of what constitutes non-shared environment in the ACE model estimates from standard (MZ-DZ) twin studies. I'm happy that he…
Admixture mapping assisted GWAS
Medical researchers have noticed that some diseases differ by SIRE (self-identified race/ethnicity) groups which differ by genomic (racial) ancestry. Hence, when genomic measures became available (last 15 years or so),…
Does genomic prediction work?
Comment on: http://infoproc.blogspot.dk/2016/02/missing-heritability-and-gcta-update-on.html First, skim this paper: http://journals.plos.org/ploso... Genomic prediction works fairly well. This recent paper does a cross-data cross-method analysis of genomic prediction methods using 10 fold cross-validation to…
Comments on Gwern’s “Embryo selection for intelligence”
Link: http://www.gwern.net/Embryo%20selection Embryo selection an add-on to IVF [his summary]: harvest x eggs fertilize them and create x embryos culture the embryos to either cleavage (2-4 days) or blastocyst (5-6…
Comments on Noah Carl’s new study: IQ and socio-economic development across local authorities of the UK
Paper is on Scihub. There are a few researchers engaged in the cognitive sociology adventure. Aside from myself and John Fuerst, Noah Carl has also taken up the task. There…
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