Require correct test response

What is the most efficient way to make the student answer the multiple choice test question correctly before moving on to the next test question? I would like a pop-up window with the appropriate course copy when an incorrect answer is selected. Having read the copy and closed the pop-up window, they would need to answer the question again.What is the most efficient way to make the student answer the multiple choice test question correctly before moving on to the next test question? I would like a pop-up window with the appropriate course copy when an incorrect answer is selected. Having read the copy and closed the pop-up window, they would need to answer the question again.

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