Criticism of BMI and simple IQ tests – a conceptual link?
BMI (body mass index) is often used a proxy for fat percent or similar measures. This is for a good reason: So, the mean correlation across age groups and gender…
Handbooks of intelligence
Sometimes, one sees references to this or that handbook of intelligence. I have not previously read any of these, not even in part, because I could not find any anywhere…
Review: The Roma: A Balkan Underclass (Jelena Cvorovic)
https://www.goodreads.com/book/show/23621169-the-roma Richard Lynn is so nice to periodically send me books for free. He is working on establishing his publisher, of course, and so needs media coverage. In this case,…
Installing scrapy on Mint 17
One would think that after so many years, things would simply work on linux. Especially on mainstream platforms. Mint 17 is based on the last Ubuntu LTS version (Trustly Tahr).…
Installing R on Mint 17
As nearly always, when one wants to do something in Linux, it becomes a test of both intelligence and patience. Mostly the latter. In this case I had installed the…
Admixture in the Americas: Introduction, partial correlations and IQ predictions based on ancestry
For those who have been living under a rock (i.e. not following my on Twitter), John Fuerst have been very good at compiling data from published research. Have a look…
Orthographic reform and psycholinguistics: a selective synthesizing review
I wrote this for a class some time ago, but apparently forgot to post it here before. I need to cite it in my bachelor's thesis, so I will put…
Review: Writing Systems: An Introduction to Their Linguistic Analysis
https://www.goodreads.com/book/show/16641082-writing-systems http://libgen.org/search.php?req=coulmas+writing&open=0&view=simple&phrase=1&column=def I read this book as part of background reading for my bachelor (which im writing here) after seeing it referred to in a few other books. As a…
Discrimination against females in grant applications or publication bias?
While looking for peer-review related studies, I came across a meta-analysis of gender bias in grant applications. That sounds good. Bornmann, L., Mutz, R., & Daniel, H. D. (2007). Gender…
Beautiful nonsense
In a comment on research of psychedelics, I found this gem: .Your brain is a matrix that is dispensing substances known as neurotransmitters which don't actually transmit anything but rather…