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- Dropping the lowest score in a category
- Excusing that student from that one item in that category
- Choosing not to enter a grade for that student for that item
Project Extra Credit
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Basically the idea is that in "categories" mode, there are two options:
(1) Project Extra Credit = TRUE
(2) Project Extra Credit = FALSE
With (1) the instructor is saying that she wants to see extra credit contribute to the score ONLY as much as it will once all grades are entered. So if the total non-extra-credit points in a gradebook are 100, and you enter 5 points of extra credit, the percentage contribution of those 5 points will be +5/100 = 0.05
With (2) the instructor is saying that he wants to see extra credit contribute EXACTLY the number of points that are entered. So if only 1 non-extra-credit item (with 10 points possible) of the above gradebook is graded, then the percentage contribution of the 5 points extra credit will be +5/10 = 0.50
In "weighted categories" mode, the impact of "Project Extra Credit" is similar, but it has a substantially different impact on scores if you have an Extra Credit category with more than one item in it. That is, when "Project Extra Credit" is TRUE in "weighted categories", it means, assume that the extra credit contribution can be for the whole category weight even if only one item is graded. If "Project Extra Credit" is false, then the extra credit contribution will be bounded to the % grade for that item.
Weight By Points
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Weight by points is only applicable when the mode of the gradebook is set to "Weighted Categories". The grade type can be any valid grade type: points, percentages, letter grades. In "Weighted Categories" mode a checkbox labeled "Weight By Points" will be visible for any category when editing.
Checking this box will recalculate the % category values for the items under this category to match the relative values of the underlying points and scaled as though the total points for that category represent 100% of the category weight. So if you have 10 items with 10 points each, of course they will each have 10%, but equally, if you have 10 items with 40 points each, they will have 10% each.