The Internet blowhard's favorite phrase: Correlation does not imply causation

Researchers need to put more effort into randomized controlled trials that can help determine causality.

Instead, this article blames online commenters for all the lazy retrospective cohort studies that scientists continue to perform. (Yes they have value in some instances.)

This is a link to the second page of the article. The single page version is here:

http://www.slate.com/articles/health_and_science/science/201...

Just because people have started using it a lot, doesn't mean it's their favourite, it might be their favourite for another reason, like the alliteration of correlation and causation. I mean come on, correlation doesn't imply causation after all.