Due to the vast territory, there are problems of unbalanced development of education and students' ability level in China. In order to explore the relation between regional education equity and the development of students' scientific ability, and to better promote the development of education and students' growth, it is urgent to carry out the…

One obstacle to understanding abstract concepts such as the "control of variables" strategy (CVS) is the tendency for learners to focus on surface rather than deep features in instructional materials. However, in tasks such as learning CVS, these same surface features may also support understanding, provided learners realize the…