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…
Cognitive ability, surveys and measurement error: possible bias in GxE studies
I saw this paper at random: The consequences of heavy alcohol use remain a serious public health problem. Consistent evidence has demonstrated that both genetic and social influences contribute to…
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…
Measurement error and behavioral genetics in criminology
I am watching Brian Boutwell's (Twitter, RG) talk at a recent conference and this got me thinking. https://youtu.be/yDm9bCgPKvs?list=PLD7ASfe52RybK4nYTZejG4-kQYqKI1rXX What are we measuring? As far as I know, there are typically…
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…
Scraping IMDB user ratings
There are some sites that have scraped the average movie ratings at various sites such as IMDB, Rotten Tomatos and Allmovies. Here is one particularly good (and still online) job.…
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…
OKCupid paper
OSF has now suspended the entire repository, not just deleted the user datafile. Not sure why this is the case. The paper (PDF) is available here. Edited to add: The repository…
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…
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