Group and User Overrides
Dates, timing and number of allowed attempts may be changed for individual users or groups by following the links Group Overrides or User Overrides in the Quiz Administration settings block.
To change a quiz setting for a particular group, click the “add group override” button in Quiz Administration>Group overrides, make the changes you wish and save or enter another override.
To change a quiz setting for a particular user or users, click the “add user override”button in Quiz Administration>User overrides, make the changes you wish and save or enter another override.
Site administration settings
The quiz module has additional settings which may be changed by an administrator in Site administration > Plugins > Activity modules > Quiz.
The time period settings for a quiz (such as time limit, submission grace period, auto-save period and so on) can be set here with a duration of seconds, minutes, hours, days or weeks. These defaults will then be used when new quizzes are created.
This video demonstrates how to give a user override to a student for taking a quiz. This override can change the closing date, time limit, and even the number of attempts.
Auto-save period, If enabled, student responses will be saved at regular period according to the selection here. The default is ‘one’ minute. This is useful so that students don’t lose work but does increase the load on the server.