#11094

1616

Nov. 2, 2022, 7:57 a.m.

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Jerry Song: Let's do an experiment where we assign half the class to read the textbook and the other half doesn't read. Andy: But how do we blind it? Jerry Song: We give one group the normal textbook, and we give another group a very similar textbook that doesn't cover anything on the quiz. Ace: But that's not any different from the textbook we are already reading!