The research also showed that worked solutions should not be given out until the students have had a chance to work on the questions, checked the answer they arrived at against the answers provided, and, if needed, retried the questions—sometimes multiple times. As mentioned above, if we give the worked solution at the same time as the question, some students will read the solution and think that, because they understand what is happening, they understand how to do it on their own. However, if the worked solutions are provided the next day, or a few days after, the students now have a chance
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