how do i change question setting where after three attempts it reduces student score by 100%. I get to the screen but it doesn't allow me to change.
Once an assignment is assigned, the settings on the "Set Policies" page become editable, as they directly affect students grades. In order to change this on an assignment, you would have to un-assign the assignment, make the change and then re-assign the assignment. This will reset the assignment for everyone, no gradebook data will be saved for the previous assignment.
You can export the gradebook beforehand, and then manually enter the scores for those who would keep their old grade rather than retake the assignment.
Thank you for reaching out!
Tom with Wiley