The hereditarian hypothesis is almost certainly true

And I’m not even referring to the latest results from any Pifferian methods (e.g. this). Currently there are many large GWAS for IQ/educational attainment/other g proxies that have data gathered from US citizens. Some of the subjects are African Americans (AAs). AAs are actually mixed ancestry with about 15-25% European ancestry (depending on sample). The…

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The g factor in autistic persons?

Check http://www.ncbi.nlm.nih.gov/pubmed/19572193 Eyeballing their figure seems to indicate that the g factor is much less strong in these children. A quick search on Scholar didn’t reveal any studies that investigated this idea. If someone can obtain subtest data from autism samples, that would be useful. The methods I used in my recent paper (section 12)…

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Comments on Learning Statistics with R

So I found a textbook for learning both elementary statistics much of which i knew but hadnt read a textbook about, and for learning R. http://health.adelaide.edu.au/psychology/ccs/teaching/lsr/ book is free legally https://www.goodreads.com/book/show/18142866-learning-statistics-with-r Numbers refer to the page number in the book. The book is in an early version (“0.4”) so many of these are small errors…

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Comment on CPGGrey’s new video on the future of automatization

Posted on reddit.   This is your best film yet, and that says something. For automatization for clinical decisions, it has been known for decades that simple algorithms are better than humans. This has so far not been put to much practice, but it will eventually. See review article: Grove, W. M., Zald, D. H.,…

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Bouchard’s new review paper on Genes, Evolution, Intelligence is excellent!

Seriously. Read it. Behavior Genetics (Impact Factor: 2.61). 03/2014; DOI: 10.1007/s10519-014-9646-x Source: PubMed ABSTRACT I argue that the g factor meets the fundamental criteria of a scientific construct more fully than any other conception of intelligence. I briefly discuss the evidence regarding the relationship of brain size to intelligence. A review of a large body of…

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New paper out: Educational attainment, income, use of social benefits, crime rate and the general socioeconomic factor among 71 immigrant groups in Denmark

Educational attainment, income, use of social benefits, crime rate and the general socioeconomic factor among 71 immigrant groups in Denmark http://openpsych.net/ODP/2014/05/educational-attainment-income-use-of-social-benefits-crime-rate-and-the-general-socioeconomic-factor-among-71-immmigrant-groups-in-denmark/

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The IQ Controversy, the Media and Public Policy (1988, Snyderman, Rothman)

https://www.goodreads.com/book/show/2404700.The_IQ_Controversy_the_Media_and_Public_Policy The I. Q. Controversy The Media and Public Policy Stanley Rothman 323p_0887381510   I read this becus i want to do a follow-up study like this. Both analyzing media output and doing another expert survey.   —   I had been thinking about using PCA on political questions to see any obvious underlying structure….

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New paper out: Criminality among Norwegian immigrant populations

http://openpsych.net/ODP/2014/04/criminality-among-norwegian-immigrant-populations/ Abstract A previous study found that criminality among immigrant groups in Denmark was highly predictable by their countries of origin’s prevalence of Muslims, IQ, GDP and height. This study replicates the study for Norway with similar results. Keywords: Crime, national IQ, group differences, country of origin — Download paper. Forum thread and supplementary material.

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