Vignette 11: Mean or Median?
It has become pretty clear to me over the past couple of weeks that in order for grading to be effective, it cannot be tainted and forced into a state of misrepresentation due to non-academic factors. The idea of using a median score to determine a grade is a new idea to me, but in the interests of Joy (and also in light of the no-zero world we are teaching in) I think it would be an appropriate method to use.
Based on the evidence presented, such as Joy's consistent success in Math class despite missing a number of daily assignments due to her being absent on Tuesdays for ESL support. Also, the fact that her median score is 97 is very strong evidence of Joy's ability in Math.
As teachers, we will have Excel and countless other yet-to-be-discovered-by-me grade book software programs at our disposal so it will be effortless to calculate both. Students could potentially have a say in how they would like to be graded; they might even respond positively to the idea of a median system as it will give them a greater feeling of control over their success.
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