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Re:Confused in Class? There's an App for that by ballstothewalls on Wednesday May 02, 2012 @01:50PM (#3920297)
I go to a small college where average class size is around 20 students. People hardly ever raise their hand.

Overwhelming majority of students are deathly afraid of looking like an idiot by raising their hand. It happens everywhere, not just large classrooms.

I think this is a great idea.

Re:Confused in Class? There's an App for that by mbreese on Wednesday May 02, 2012 @02:39PM (#3920501)
I went to a small college too... In a class of 10-20, it was pretty easy for the professors to know when we were confused since she was looking at each of us.