I was a TA at a medium-sized US university 25 years ago. I had a lot of (20 or so) Malaysian students in a class of mine and it was very simple: if they were Ch

I was a TA at a medium-sized US university 25 years ago. I had a lot of (20 or so) Malaysian students in a class of mine and it was very simple: if they were Chinese Malaysian they worked their butts off. If they were ethnic Malay they were lazy as hell. I caught several of the latter cheating as well.