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Originally Posted by Savage Clone

I think it all depends on the size of the university, the size of the class and the temperament of the instructor. I know it has happened here, though the acceptance of it is definitely sporadic.

yep. large lectures, as i've said, are easily infiltrated. there's no ID check at the doors of an auditorium.

those deals however are not usually the whole experience-- then you have to do labs & review sessions & whatever with a TA, in small groups. but at least it's something.