A few years ago I did a pretty thorough reading of one of these Norwegian studies and the methodology was... abysmal. I don't remember which direction the repor

A few years ago I did a pretty thorough reading of one of these Norwegian studies and the methodology was... abysmal. I don't remember which direction the reported effect was in, but I do remember that the way they computed it meant that it was the reverse direction of what the true effect should have been. Kind of an impressive mistake. Made me pretty skeptical of the FE literature.