On quizzes and question sets I sometimes update or correct answers or add answer options. Canvas does not auto-recorrect the questions using the new/edited answers. (Or does it?) This feature needs to be added. (Blackboard does this function!!)
Here are the re-grade instructions:
Building a little on Robbie's answer, if you use a question type which can't be auto-regraded in Classic Quizzes, most New Quizzes questions types allow for automatic regrading, with some types (e.g. Numeric, Fill In The Blank) allowing additional correct answers.
Retrieving data ...