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2.4 Viewing
The scenarios in this section shows a user viewing the gradebook in varies ways.  Including:


2.4.1 Interactive graphs
The Grader can automatically compile and graph the scores of the selected item.  The graphs will be displayed in a separate window for viewing.  Details on each type of graphs will be explained in the sub-sections.

2.4.1.1 Histogram
Users are able to display selected items as histograms.  To do so, the user first needs to select an item by left-click it on the grade book.  The user is able to select multiple items by holding down the ctrl key while selecting.  Next, the user needs to click on the View menu on the menu-bar and select Plot Histogram. (See Figure 1)


Figure 1



The histogram is displayed in a separate window.  You can interact with this histogram in many ways.  The graph contains a slide bar, in which the user is able to drag along to set the grading curve for that item.  Note: This function is disabled for student-users and TA-users.

2.4.1.2 Pie chart
Users are able to display selected items as pie chart.  To do so, the user first needs to select an item by left-click on it.  The user is able to select multiple items by holding down the ctrl key while clicking.  Next, the user needs to click on the View menu on the menu-bar and select Plot Pie Chart. (See Figure 2)


Figure 2

The pie chart is displayed in a separate window.  You can interact with this pie chart in many ways.  The pie chart contains a sliding handle, in which the user is able to drag and drop to set the grading curve.  The percentage of each grade categories adjacent to the sliding handle will jump to display the percentages as the user slide the handle bar.  Note: This function is disabled for student-users and TA-users.

2.4.2 Prediction mode
All users can use this function.  Simply go to the View menu on the menu-bar and select Prediction Mode will switch the viewing screen into prediction mode.  While under the prediction mode, the users are able to enter a grade letter and the system will automatically predict what score that the student need to achieve on each of the entered item in order to achieve that grade in class.  The user can also enter a score in an ungraded item to predict an grade.

2.4.3 Sorting
The Grader can sort students according to each of the column items.  The user can do so by going to the View menu on the menu bar and select 'Sort by...'.  A sub-menu will pop-up and allows you to select different ways to sort the grade book.  The user can sort the grade book by student name, student ID, student overall grade, team, and individual items.  The user can also do so by right-click on each of the grade book columns and select 'Sort'.

2.4.4 Multi-tasking windows
The Grader can open multiple class-sections at the same time.  The users are able to arrange these windows neatly on the screen by going to View on the menu-bar and select 'Arrange Gradebooks'.  The Grader automatically tiles the windows in an orderly fashion.



Figure 3






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