Sure, @Much2learn – I don’t think anyone reasonable would interpret this research as a denial that evaluations can be useful, but it’s pretty unequivocal that they aren’t useful in aggregate, and that’s a big deal. Those who champion teacher evaluations and those who want them to be useful now have the ball in their court: devise better ones so that the next time someone does similar research the results come out better. But that’s a far cry from saying this study is flawed or unfounded, and a response like @ALF 's “I am NOT buying this, not even a little bit” backed with SSS anecdata is a far cry from a refutation or even rebuttal.