There are two recent studies of gender disparities in science and technology (referred to by the faintly awful acronym “STEM”) getting a lot of play over the last few days. As is often the case with social-science results, the data they have aren’t quite the data you would really like to have, and I think… Continue reading Economic Astronomy: Gender Gaps in Lifetime Earnings
Tag: statistics
Neither a Neuroscientist Nor a Statistician
A bunch of people I follow on social media were buzzing about this blog post yesterday, taking Jonah Lerher to task for “getting spun” in researching and writing this column in the Wall Street Journal about this paper on the “wisdom of crowds” effect. The effect in question is a staple of pop psychology these… Continue reading Neither a Neuroscientist Nor a Statistician
On the “Hot Hand” in Basketball
A little while back, Jonah Lehrer did a nice blog post about reasoning that used the famous study by Gilovich, Vallone and Tversky, The Hot Hand in Basketball (PDF link) as an example of a case where people don’t want to believe scientific results. The researchers found absolutely no statistical evidence of “hot” shooting– a… Continue reading On the “Hot Hand” in Basketball
Annual Mis-Reporting on Graduation Rates
It’s NCAA tournament time, which is time for everybody to break out the moralizing stories about the pernicious aspects of college athletics that they’ve been sitting on since the football season ended. The Associated Press (via the New York Times) clocks in with a particularly discreditable entry, a story on a study of racial disparities… Continue reading Annual Mis-Reporting on Graduation Rates
Benford’s Law of Amazon Rankings
Late last year, Matthew Beckler was nice enough to make a sales rank tracker for How to Teach Physics to Your Dog. Changes in the Amazon page format made it stop working a while ago, though, and now Amazon reports roughly equivalent data via its AuthorCentral feature, with the added bonus of BookScan sales figures.… Continue reading Benford’s Law of Amazon Rankings
Simple Answers to Complex Medical Questions
There’s a new medical study of the effects of alcohol consumption that finds a surprising result: Controlling only for age and gender, compared to moderate drinkers, abstainers had a more than 2 times increased mortality risk, heavy drinkers had 70% increased risk, and light drinkers had 23% increased risk. A model controlling for former problem… Continue reading Simple Answers to Complex Medical Questions