Reader survey 2022 results
So let's see those survey results from the 2022 reader survey. Some of them are funny. There were a total of 318 takers, of which 125 were complete (answered every…
What’s the right dose of democracy?
If you haven't done so already, take the reader survey here! In medicine, there's the occasional discussion of the dose response function of some drug. People wisely assume that it…
Does vaping shrink your balls?
Some time ago, someone sent me this: https://twitter.com/AlpacaAurelius/status/1583506701726064651 I know, generic ancient Rome/Greek right-wing back-to-nature type stuff, even hates on deodorants: https://twitter.com/AlpacaAurelius/status/1587965330856493056 "Alright Emil, but these are cheap shots. What…
African IQs and mental retardation
This one comes up a lot when we discuss the dire realities of the average intelligence levels seen in Sub-Saharan African countries: If the mean IQs are 70, wouldn't that…
Secular changes in race differences in height: a mystery
Be sure to participate in the 2022 reader survey if you didn't already! Some days ago I came across this study: Rashad, I. (2008). Height, health, and income in the…
Substack 1st anniversary, statistics, reader survey, and a new video
My Substack is growing a lot faster than I anticipated, and we've hit 2000 2100. It took about one year, as my first post was 11th October 2021: Paid subscribers…
Variance explained is mostly bad
Reporting the proportion of variance explained by some statistical model is ubiquitous. However, just like p-values, it is a misleading metric. I'll try explain why it is used, and why…
National intelli… basic skills!
Ludger Woessmann tells us about some dire facts: https://twitter.com/Woessmann/status/1581884461007785986 It's about their new 75 page working paper which they summarize thus: How far is the world away from ensuring that…
What has feminism done for women? Review of Louise Perry’s The Case Against the Sexual Revolution
Self-proclaimed feminists like to describe their movement as being very diverse. This is not generally true, most of them hold more or less the same views. There are a few…
Research credibility and group differences
Suppose you did some research that you want to publish. Say you investigated the difference between men on women on some number of traits that are relevant to your current…