So it's worth knowing in a general way what you need to do to earn a good grade in discussion section and here the answer is, perhaps the obvious one, you need to participate.

现在值得让你们知道什么是你们要做的,去得到好的分数在课堂讨论并且答案是，也许最显然的一个是，你需要去参与。

耶鲁公开课 - 死亡课程节选

For example, the teaching fellows will divide all the concept sheets in week one, and one teaching fellow will grade part of the alphabet and another will grade another part of the alphabet.

助教们在第一周将所有的论文,按字母顺序分类,一位助教评定一部分,另一位助教评定另一部分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

One thing is never grade in red pen.

第一件事是千万别用红笔打分。

耶鲁公开课 - 心理学导论课程节选

One thing I can guarantee from past experience in this class, is that the median grade will be a B+.

不过从教学经验看,中间成绩应该是B+

耶鲁公开课 - 博弈论课程节选