[Scotsman will be Free]

Notice the grades the liberals tend to hand out are in the middle. No explanation or courage required. However, in order to hand out As or Fs as the republicans are more likely to do requires explanations and, in the case of Fs, courage.

[rbg81]

Notice the grades the liberals tend to hand out are in the middle. No explanation or courage required. However, in order to hand out As or Fs as the republicans are more likely to do requires explanations and, in the case of Fs, courage.

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Bingo. But I bet that “clustering grades in the middle” means more or less giving everyone an A. In contrast, more grades at the extremes means the professor rewards people who meets the standards and punishes those who don’t—in short, they “discriminate” against students who are lazy or stupid. So, its feel good non-judgementalism vs. achievement-based “discrimination”.