Nobody knows, but there's a theory which won't answer your question but will put it into a broader context.

没有人知道答案,但有这么个理论,它无法回答你的问题,但却能让你从更宽广的视角来看这个问题

耶鲁公开课 - 心理学导论课程节选

We want to make sure that if the students would not to be given the time out to learn, we need to provide a vehicle or that they can take the advantage of learning in their world context to actually put the theory into practice.

为了确认学生是否会,腾出时间学习，我们需要提供一个工具,让他们在生活的情境中,利用学习,将理论用于实践。

麻省理工公开课 - 媒体、教育、市场课程节选