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…
W values from the Shapiro-Wilk test visualized with different datasets
For a mathematical explanation of the test, see e.g. here. However, such an explanation is not very useful for using the test in practice. Just what does a W value…
New paper out: The personal Jensen coefficient does not predict grades beyond its association with g
Found null results for a proposed metric (actually two). In the spirit of publishing failed ideas, I wrote this up. Abstract General intelligence (g) is known to predict grades at…
Meisenberg’s new book chapter on intelligence, economics and other stuff
G.M. IQ & Economic growth I noted down some comments while reading it. --- In Table 1, Dominican birth cohort is reversed. “0.70 and 0.80 in world-wide country samples.…