How it’s done today is that they rely on your other marks from earlier in the semester to inform how your exam grade should be adjusted. That doesn’t work if there are no other marks to use.
replyYes. There will be no other marks available for adjusting a final grade. One test, one mark. One knows the stuff, or one doesn't.
replyAccommodations are real and necessary, but applied at the end.
(Experimental sciences are an exception)
How do you propose to avoid "distortions of AI" in your mega-examination?
reply... well then, why not use those same protections (proctoring, monitoring, auditing) in continuous examination?