There are different types of grading on a curve… some ways I’ve seen grades curved are:
– highest grade get slid up to 100, every other grade moves up same number of points… so if top score was an 87, everybody’s grade gets increased by 13.
– Top 10% get A’s, Next 20% get B’s, middle 40% get C’s, next 20% get D’s, bottom 10% fail
– Had one professor who had 15% increments for letter grades, ie. 85+ was A, 70-84 B, 55-69 C, 40-54 D… I think I got a 53% in that class, which was far and away the hardest class I’ve ever taken in terms of testing, and don’t feel it really correlated to learnings at all. The class was a psychology/science co-listed class I took to meet a science distribution requirement, but it was SUPER specific, while most intro level classes are high level concepts. For example, there was a brain diagram on a test w/ 20 parts to label, ALL or NOTHING. I got 18 right, transposed 2 parts and got 0/20 points for that section of the exam.
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