Allow teachers to have more control of the 5 in a row idea.
If one searches "5 in a row" in "I need help with ", one would see that teachers and students are very dissatisfied with this one idea. If a student works 4 problems and gets one wrong and another 4 and does it again, this process could take a really long time, and possibly never end. For some student anxiety is so great, they will never get to finishing.
Allow passing of 80% after answering 10 questions.
Better yet: let teachers choose _ correct in a row or __% in the last ___ questions.
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