...
Classic Quizzes and New Quizzes share many of the same features. However, the two quiz tools function rather differently. It's important to understand the differences between Classic Quizzes and New Quizzes, particularly if you are already a regular user of Classic Quizzes. For a more detailed comparison table of Classic and New Quiz features, please refer to the "New Quizzes Feature Comparison" document.
...
Choosing a Quiz Engine
While New Quizzes offers helpful features, it is currently missing some functionality on which many faculty depend. When choosing a Quizzes tool, consider the following:
...