As AI improves, what is the long-term solution to spam?
I've thought about this question a few times but haven't found a good solution yet. The problem needs more attention. AI and computer recognition of images is getting better. I'll…
Gender distribution of comedians over time
It is a long time ago since I did this project. I did not write about it here before but it is a pity since the results are thus not…
Admixture in the Americas: Admixture among US Blacks and Hispanics and academic achievement
Some time ago a new paper came out from the 23andme people reporting admixture among US ethnoracial groups (Bryc et al, 2014). Per our still on-going admixture project (current draft…
Sometimes doing elementary things in R is a pain
Getting a percentage table from a dataframe A reviewer asked me to: 1) As I said earlier, there should be some data on the countries of origin of the immigrant…
The personal Jensen coefficient, useful for detecting teaching to the test?
In my previous paper, I examined whether a personal Jensen coefficient could predict GPA beyond the general factor (or just the normal summed score). I found this not to be…
A general assortative mating factor?: An idea in need of a dataset
I was talking with my girlfriend about how on some areas we don't match, and on others we match well, and then it occurred to me that there may be…
Predicting immigrant performance: Does inbreeding have incremental validity over IQ and Islam?
https://twitter.com/KirkegaardEmil/status/555217814488092673 So, she came up with: https://twitter.com/hbdchick/status/555223247244242944 So I decided to try it out, since I'm taking a break from reading Lilienfeld which I had been doing that for 5…
Scott O. Lilienfeld is a great researcher
Some researchers are just more interesting than others to you than others. So when I find one that has written something very interesting, I attempt to find their other papers…
Age differences in the WISC-IV has a positive Jensen coefficient, maybe
Group differences in cognitive scores have generally been found to be g-loaded, i.e. the differences are larger on the items/subtests that load more strongly on the general factor. This is…