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Click on the quiz on the Moodle page
Click More then Overrides
Select either User overrides or Group overrides from the drop-down menu
Click the Add user override (or Add group override) button
Search for or select a student name or group
Set a password for the quiz if you wish
Set the date and time to open and close the quiz for the student
Set a time limit if required
Set the attempts allowed
Click Save
How do I set up an extension for a Moodle Assignment if student names are visible?
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