one of my professors has the habit of calling on people who don't like to talk in class when no one else is volunteering. Some of those people don't tlak because they're not paying attention, others because they just don't like to talk in class. In education circles we call that a "different learning style" and it's ok. but apparently not here.
Today, he called on one such person:
P: XXX, what do you think?
X: I'm not sure
P: your'e not sure what you think or you not sure you have any thoughts?
X: i'm not sure what i think, i guess
P: well get sure.
...

apparently outright meanness is tolerated from old, famous professors. but the culprit here is neither. grrr.