I do refer to it, but I do not use it as my only source for determining my class selection. I do, as the above poster mentioned, refer to the upper class levels. A more mature and experienced outlook seems to result in a more thoughtful and useful review. I just like to have a bit of an idea of what to expect regarding teaching style. I like profs who are a challenge, but students report a positive trans-formative experience in spite of this fact.
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Great spirits have always encountered violent opposition from mediocre minds - Albert Einstein.