The verbal tilt model
Some years ago I came up with a rough model for explaining some curious demographic associations (I later told a friend about it, and he had the same idea independently).…
Lynn’s impossible regression values: bounded outcome variables with OLS
Someone emails me: Hello Mr. Kirkegaard, This is a question I emailed to Richard Lynn about data in regression analysis in his book Intelligence that did not make sense to…
New video out: Who are the comedians?
Got another video out today. It's covering my 2017 paper, that people were posting about on Twitter, suggesting interest in this kind of work. Kirkegaard, E. O. W. (2017). Sex…
Reverse publication bias: a collection
See also Sesardić's conjecture, a related idea. Publication bias as normally considered is really positive publication bias, i.e., the bias is away from zero, towards finding larger than reality results.…
Military psychology: a review
Some of the best psychology related to intelligence and other applications have been conducted by the Anglo-sphere military. I don't actually know much about the research that has been conducted…
Mafia Mark gets grant to study intellectual humility while planning to use AI to identify enemies
Now that we're on the topic of curious people, it may be in order to recap the story of Mafia Mark, also know as Mark Alfano. He's an associate professor…
Professorial ethics
Being a minor celebrity (is that what we call this?) has the amusing side effect that various people will be talking about you elsewhere on the internet. Thanks to the…
Data imputation in psychometric meta-analysis
Yep, it's another comment based on reading too much industrial and organizational psychology! The Schmidt and Hunter approach to meta-analysis, AKA validity generalization theory (VG theory) AKA psychometric meta-analysis (PMA)…
Interrater reliability in job performance ratings
And now for something completely different. Well, not that different. But not the usual things. I've been working in human resources/education since February. It's quite enjoyable work. My job consists…
Expert opinion on race and intelligence
I was asked about survey data by various kinds of experts on race and intelligence. Happy to oblige, of course. Sean Last has already reviewed some of these last year,…