Grading on a curve. Making students evil?

Disney - Evil Emperor Zurg!
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While studying for my recent test in Artificial Intelligence, I used Quizlet (still an awesome service) to create a deck of flashcards in order to help memorize all of the terms. As I was about to post the link on the class discussion board so that others could use it, I hesitated. The reason for my hesitation? I asked myself, “if the grade for this test gets curved? Would others using this possibly lower my grade?”

The answer to the question is of course yes. If the grade had been curved my helping the rest of the class would have hurt me. I posted the link in the end but am still disgusted by the fact that I even considered not sharing with others just to improve my own grade. I am even more disgusted by the fact that I have to make that choice. What if I was really into getting good grades (although we all know what I really think of grades)? Could I mislead people on discussion boards or during study groups in the hopes of bringing down their grades and increasing my own? How many students do this at the moment? Yuck!

So, the model of curving grades is broken. If it fosters malicious competition then it is not a model that should be used. The model cannot just be thrown out though, as it is very useful.It protects students from professors who have lost touch with just how difficult their material is. It helps to make sure the course grades from year to year are consistent. So how to fix the model?

My one proposal is to give students who work towards increasing the understanding of their fellow students some form of bonus grades. If a student can provide proof of the fact that they helped to increase the understanding of their peers then they should be rewarded in some way. Sharing is a good thing… not a punishable offense!


Update: The actual test that I took was not curved in the end. In fact it was a really well written test with all the questions relating directly to the learning goals of the course and most students in the class did really well. I still have many other courses where grade curving and scaling will be applied this year, but Artificial Intelligence isn’t one of them. 

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