Bdtyktl

up vote 2 down vote favorite 1 I have a homework assignment where I require students to create a set of pivot charts in Microsoft Excel. I know that I can reduce cheating by changing datasets or chart specifications around, but because of the complexity of the assignments and my practical constraints in not being able to mark more than five or so different versions, this does not prevent students from finding those who have the same specifications as themselves and copying among themselves. (I am coordinating a course with over 700 students, so I can only do so much as far as alternate versions go. The students are well connected to each other by Facebook, so communicating among each is quite feasible for those who want to cheat.) On one hand, in my situation, creating alternate versions is difficult because of the complexity of t