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…

Continue ReadingPredictions for an individual-level general crime factor study using Swedish register data

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…

Continue ReadingPersonal freedom and cognitive ability: OKCupid dataset replication

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…

Continue ReadingCrime/violence, gender, sexual orientation, cognitive ability

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.…

Continue ReadingCognitive dysgenics in the OKCupid dataset: a few simple analyses

Some numbers on non-shared ‘environment’ effects

https://slatestarcodex.com/2016/03/16/non-shared-environment-doesnt-just-mean-schools-and-peers/ Scott Alexander has a new post out summarizing the interpretations of what constitutes non-shared environment in the ACE model estimates from standard (MZ-DZ) twin studies. I'm happy that he…

Continue ReadingSome numbers on non-shared ‘environment’ effects