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Ken

I see the same with student evaluations on a distance only course I teach. Sometimes excellent students will comment. and then they may say course is too easy. Poor students will usually take issue with anything that they can. Average students usually don't comment.

As to your first example if 70% of students score C or above then predicting that all of the students score C or above will give 70% prediction accuracy.

business schools in Chicago

Students' evaluation should not be based on exams only. I think that the true evaluation is the one based on the every day participation of the students basis.

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