I actually disagree with this.
First, my 5 credit small section 1L class was contracts and the prof told us on day one that he took participation into account.
Second, I've heard from friends that professors moved their grade up due to participation. Professors grade everything blind, then they get their grades back from the administration with names attached, then they submit the final grades back to the administration. I've definitely heard from friends that profs told them they had gotten a pretty good exam grade and they were on the margin between an A- and an A. The prof moved em up for their participation.
So theres a curve, but professors can be flexible and move people up a +/- grade based on participation. Now, that's for HELPFUL participation. Don't pose random hypotheticals or waste people's time.
This response makes no sense. If the syllabus says that participation is a factor in your grade, then obviously participating/attending becomes a concern and you should actively work on it. If the syllabus says that the grade is based solely on your blind-graded exam, then participation/attendance isn't a factor and you don't need to worry about it. It's one or the other.
That's despicable if professors are moving grades up or down based on participation after telling the class that their grades are based solely on the final exam. If that's what you're actually saying then those students have a responsibility to report the professor to the administration.