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To grant student extra quiz time or extra quiz attempts you will not have to create a separate quiz. Instead, you can create a single quiz for the class, then modify quiz times and attempts per student using the “Moderate Quiz” option.
To moderate a quiz, open :
Open the course where a student has requested CAE accommodations.
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In the left panel click on the Quizzes link in the course navigation.
Click on the Name of the quiz you wish to provide accommodations for, and on the right hand side menu, choose Moderate This Quiz.
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From
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this screen, you can view the specific attempts of a single student via the Search People field.
Once you have found the student(s), click on the Edit icon
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(gray pencil) to the right of their name. This will open a popup window where extra time or attempts
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may be added.
For full instructions on the capability of the Moderate quiz feature, see how do I use the Moderate Quiz Page?
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Additional helpful documentation: