If a student has submitted an assignment, and a week later, you get to grade that exact assignment from someone else, it would be handy to be able to prove that it has been copied. Therefore I would like to suggest a complete homework overview that AT's/teachers can see for their subject, including name and date on which it was made.
So this also means the homework that has been graded by students and didn't need any grading from an AT/teacher. Because sometimes, a student comes across a piece of copied homework which they have read before while grading, and then they give a Troll. But as an AT/teacher, if you haven't read the original assignment, it's not possible to find out whether it really has been copied or not!
With an overview, an AT/teacher could easily find assignments that have the same sentences in them (so a search option would be handy). This would really help bring some fairness into the site :)
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