Studies show that feedback from this kind of evaluation improves student achievement because it helps teachers get better at what they do. (articles.latimes.com)
I think that has been a result of us being bolder as well as getting better at our instruments. (mediamikes.com)
Most of the controls for these work fine and help getting better at matches too, but too many screw - ups and it can lower all of the stats. (thatvideogameblog.com)