|If you just want to prevent students from seeing which parts are incorrect, you can use the command
in your header material. With this command, students do get partial
credit for the ones they get right, they can try to fix the ones they
got wrong, but they are not told which parts are wrong.
If you want no partial credit at all, you would probably have to write
a new grading routine. You could probably edit the ones Mike and Arnie
Hope this helps.
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