I finally got all the discussion posts graded. It took a while but everyone got some kind of feedback. In some cases, the feedback looked something like this:
In this case, the author needs to pay more attention to how she uses evidence, and also needs to proofread more carefully. These elements are more fully explained here. Most of you are writing at the college level, and many of you are not. This is okay. This is the time when you develop and improve your reading and writing skills. I sometimes find the following video helpful with my own writing. It's a cool video, anyway. Check it out.
I enjoyed reading your posts, and I learned a lot from them. Keep up the good work!