Category Archives: Statistics

Maybe This Explains Part of the Reproducibility Problem?

There are a lot of reasons why reproducibility–the ability to replicate results*–is a problem. Some of it has to do with the Decline Effect (and inadequate funding that causes the Decline Effect). There are also basic power of test issues–not … Continue reading

Posted in Cancer, NIH, Statistics

Insensitivity to Instruction: How Do We Know If Our Children Is Learning?

To use a phrase. The Texas Observer has a very interesting story about a researcher who testified in front of the Texas Lege about a fundamental problem with that state’s regime of standardized tests (boldface mine): Then Stroup sat down … Continue reading

Posted in Education, Statistics | 3 Comments

How To Do Replication the Fair Way (You Get What You Deserve Report)

In a long, but very good article about replication in science, I like this suggestion the best (boldface mine): Kahneman rightly notes that the methods sections of most articles reporting original research are insufficiently detailed to allow third parties to … Continue reading

Posted in Statistics

Why You Shouldn’t Take Education ‘Reform’ Seriously: Because Their Science Sucks

Yes, it’s a brutal charge, but, sadly, it’s true. Economist Moshe Adler (who has also written an excellent book Economics for the Rest of Us: Debunking the Science That Makes Life Dismal) has squared off against Raj Chetty et alia, … Continue reading

Posted in Education, Statistics | 3 Comments

Technobrats, Beware Campbell’s Law

David Leonhardt is all excited about the growing movement to measure the effectiveness of gummint programs! And yet there is some good news in this area, too. The explosion of available data has made evaluating success – in the government … Continue reading

Posted in Economics, Education, Fucking Morons, Statistics, Things That Make Ya Go Boom | 2 Comments

Republican Pollsters Might Perform Better If They Knew Statistics

This week, House Republican Majority Whip lost to David Brat, who is quite the wingnut. While the real story is that there’s a new political infrastructure undergirding the Republican Party–and Brat was hooked into that–much of the shock resulted from … Continue reading

Posted in Conservatives, Fucking Morons, Statistics | 4 Comments

Statistical Abuse and Teacher Tenure

Last week, a California judge ruled that California’s teacher tenure laws were unconstitutional. In his decision, he cited testimony that one to three percent of teachers are “grossly ineffective.” It turns out that number is bullshit (boldface mine): It’s made … Continue reading

Posted in Education, Statistics | 1 Comment