I was thinking it would be neat if quiz questions could have more than one part.   For example, students could answer a multiple choice question and then provide the rationale for their selection in a...

I would love to see this become a quiz option! In regards to quizzing improvements, you might also check out Two (Multiple) Part Quiz Questions.

That's great to hear, Jason! I'll keep an eye out!

I didn't realize that this was a feature of any other learning management system. It would be great to afford Canvas users the same opportunity!

That's great to hear, Jason! I'll keep an eye out!

I would love to see this become a quiz option! In regards to quizzing improvements, you might also check out Two (Multiple) Part Quiz Questions.

This would be very helpful!

This feature exists in Brightspace by D2L!