Clinical vs. statistical prediction
I learned about this topic many years ago reading Scott Lilienfeld's 50 Myths of popular psychology. In it, they write: In his blockbuster bestselling book Blink: The Power of Thinking…
Predictions for an individual-level general crime factor study using Swedish register data
There is a lot of research on the link between crime and cognitive ability. (For criminal outcomes, see the problems in my previous post.) E.g. Is the Association between General…
Music and work performance: what do we know?
Many people listen to some kind of music while working, or perhaps to some kind of colored noise. Many people will swear that this works. There are multiple ways it…
Personal freedom and cognitive ability: OKCupid dataset replication
Noah Carl has been investigating the relationship between cognitive ability and political opinions aside from the usual confused 1-axis left-right model. Specifically, looking at the economic freedom and personal freedom…
Testing colorism using genomic data without phenotypic data
Normally, testing colorism or other causal models of why human racial traits have nonzero relationships to socioeconomic outcomes requires that one has the following data: Measure of racial ancestry Measures…
Crime/violence, gender, sexual orientation, cognitive ability
In a recent paper, Beaver et al looked at the relationships between crime, gender and sexual orientation: This study examined the association between sexual orientation and nonviolent and violent delinquency…
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.…
Scraping: temperature and precipitation data for all NOAA weather stations
Some people claim that the climate has direct causal influences on income, cognitive ability and so on. Usually, these academics just regress IQ on climate variables at the country or…
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.…
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