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41 lines
2.3 KiB
HTML
41 lines
2.3 KiB
HTML
<P ALIGN=CENTER><B>The Calculation of the Final Grade</B></P>
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<P>The table at the foot of the screen shows the final grade for each student
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for this assignment. Their grade is made up from three components.
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<OL>
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<LI>The teacher's grade for their submitted work.
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<LI>The average of the peer grades for their submitted work. This can optionally
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include the teacher's grade. This grade would be included if the number of
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peer gradings is very low or it is thought that the peer gradings are suspect
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either because of bias (usually on the high side) or for not being reliable.
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If included the teacher's grade is treated in the same way as a peer grade in
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the calculation of the average.
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<LI>A grade for the student's performance in the peer grading phase. This
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performance is based by (a) if their grades are,on average, too high or too low
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(this is called bias), (b) if their grades follow, again on average, the grades given by
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the other students (and that of the teacher if included) (this is called reliability)
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and (c) on the quality of their feedback to the other students, this is graded
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explicitly by the teacher in the top half of the page. These three are weighted
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by the factors 1:2:3 respectively in the calculation of the "grading"
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grade. In other words the teacher's grading of the comments is given the
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same weight as the Bias and Reliability factors combined.
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</OL>
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<P>These three components can be weighted as deemed appropriate for the
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assignment. For example the teacher's grade might be weighted strongly
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if the peer grading part of the assignment is only considered a minor part
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of the assignment as a whole. Alternatively, if no teacher grading is done
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at all then the teacher's grades should be given a zero weighting. If the
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assignment is all about the students as judges and the providing of feedback
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then first two components may be set to zero (or low) and the students'
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grading abilities will dominate the final grades.
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<P>Note that this screen is used iteratively and the final grades are not normally
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made available to the students until all the grades for the comments have been
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entered AND the component weights (for the teacher's grades, the peer
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grades and grading performance) have been finalised. Once these two separate
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tasks have been done then the final grades can be made available to the
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students.
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</P>
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