Buzz: Questions & Answers

We had some students complete formative assessments in several courses, but they found errors in the assessment questions, so their scores don't mean much. We've corrected the errors and would now like to have the students take the assessments again. In the Buzz gradebook, the assessments just show up with little dots where the score would be, and I can't find a way to allow retry like with other assessments. I could edit the courses to allow 2 attempts at these assessments for everyone, but when new students are added to the course, I don't want them to have 2 attempts automatically. Is there a better way to let these students retry?

Thanks for your help,

Micah