Experiment material adopts self-compiled practical primary school mathematic problems (Part from research by Thomas (2000) and part from co-compiling of researchers and senior primary school teachers).

• 实验材料采用自编的小学数学应用题(一部分来自Thomas(2000)的研究，一部分由研究者和小学数学高级教师共同编制)，每个类型题目共包含三种同质的不同呈现方式的题目，共六种类型。