` 13 AUGUST 97
I used a scale, which ranged from +100% (all correct) to -100% (all wrong). Since there was a 50/50 chance of guessing between Y and N, 0 represented no information or understanding. Data was collected over a number of semesters. In their understanding of their own government, the U.S. government, in their ability to predict (retrodict) its ... ................
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