Randomized controlled trials (RCTs) are generally regarded as the gold standard in assessing treatments. There are some good reasons for this, but there is also some tarnish on the gold standard. Read more!
The title of this post is a quote from Herman Friedman, my favorite professor in graduate school. Herman was one of my most important professors; he not only taught the subject matter, he taught how to think about statistics. What did he mean when he said
If you’re not surprised, you haven’t learned anything