version 1.10, 2008/02/22 19:22:21
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version 1.11, 2014/05/27 18:06:24
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Line 41 there were no attempts made on the probl
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Line 41 there were no attempts made on the probl
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The students are grouped based on their scores on the sequence which |
The students are grouped based on their scores on the sequence which |
contains the homework problem. The percent score of the bottom 25\% of |
contains the homework problem. The percent score of the bottom 25\% of |
the students is subtracted from the percent score the to top 25\% of |
the students is subtracted from the percent score of the top 25\% of |
the students. This yields a number from -1 to 1. 1.0 indicates |
the students. This yields a number from -1 to 1. 1.0 indicates |
all of the good students answered the problem correctly and none of the |
all of the good students answered the problem correctly and none of the |
poor students answered it correctly. Conversely, a score of -1.0 indicates |
poor students answered it correctly. Conversely, a score of -1.0 indicates |