The expression of concern is correct, but the article should be retracted and my 2009 blog post should have been cited.
Studies like this already are subject to abuse even without flaws. As a layman, I've had to learn not to overstate the lessons one can take away, and that one has to be extremely careful drawing any conclusions.
Studies like this already are subject to abuse even without flaws. As a layman, I've had to learn not to overstate the lessons one can take away, and that one has to be extremely careful drawing any conclusions.