In schools, teachers and pupils alike often assume that if a concept has been easy to learn, then the lesson has been successful.
出自-2013年12月阅读原文
But numerous studies have now found that when classroom material is made harder to absorb, pupils retain more of it over the long term, and understand it on a deeper level
出自-2013年12月阅读原文
With the teacher's help, these pupils were able to find the answers to their set of problems.
出自-2013年12月阅读原文