Extra time the next day for quiz

[KimberlyMcKerna]

I teach at a high school and my class periods are 48 minutes long. I have students that receive 50% and 100% extra time on everything. I would like to know if there is any way to provide those students with the time they need to finish a test in the quiz program if they need to use their extra time the next day in class. I do not want them to be able to access their test after they leave my room until they enter my class the next day. 

[Gabriel33]

The answer depends on whether you are using New Quizzes or Classic Quizzes. One way to tell which is which is if you have to click a "Build" button to edit the quiz questions, you are using a New Quiz.

If you are using New Quizzes, you can have the quiz be 48 minutes long the first day, and then add time and reopen it the next day.
See the following guide on adjusting the quiz time in the Moderate page and reopening it:  How do I moderate a student's quiz attempt in New Quizzes

On Classic Quizzes, there isn't an easy way to do that.
Perhaps you could play around with having the quiz be 24 hours and 48 minutes long, and change the access code at the end of the first lecture, sharing the new access code at the beginning of the next one.
I haven't tried it, but that seems to be the behavior according to the following link, where it says "[...]if you change the access code while students are taking the quiz, the students may be forced out of the quiz as soon as they answer a question, click the Next button, or cause a page refresh. Students must start the quiz again using the new access code.": What options can I set in a quiz?

[KimberlyMcKerna]

If I give the student 48 hours they have access to the quiz/test outside of class which will allow them to cheat. Do you know of a way to lock it when they leave class and unlock it when they return to class.

[Gabriel33 · Accepted solution]

That's why you'd have to change the access code. To repeat the quote from the second link:

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[...]if you change the access code while students are taking the quiz, the students may be forced out of the quiz as soon as they answer a question, click the Next button, or cause a page refresh. Students must start the quiz again using the new access code.

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So you change the access code at the end of the first class, and they shouldn't be able to access the quiz until you give them the new code. The only issue is that if they keep the devices, they may have access to the quiz until they change questions (if view one question at a time is enabled), or refresh the page. You might have to see that they're doing one of those two.

I agree it's far from ideal, and perhaps someone else here has a better solution, but that's the only way I know to have it done for Classic Quizzes.

Another set of alternatives that work for any quiz type is splitting the exam into two different quizzes:

• Each quiz being a perfect copy of the other
  Advantage is that is simple.
  The disadvantage is that the student may not be able to see what they did the previous day, and complete questions they had only partially done. 
• Each quiz having only part of the questions.
  The advantage of that is that the student cannot go over all questions on the first day and try to memorize them to look up answers at home (not too important if you already have a setting that students can't see previous questions, that'd only affect one question)
  Disadvantage is that you have to pick how to split the quizzes, and you may end up splitting it so that the first day has a lot more work to do than the other, or vice versa.

Though doesn't your school have guidelines for how to work with these accommodations? Did they recommend continuing the exam the next class? This seems very bad for the students with the accommodation, who will miss on the new content that class.