1979年,吉姆·斯蒂格勒还在密歇根大学就读研究生期间,曾前往日本研究教学法,他曾无意中在一个拥挤教室的最后一排听一堂四年级的教学课。斯蒂格勒解释道,“老师当时正试图在课上教学生们如何在纸上画出三维立方体。其中有一名学生完全不得要领,他画出的立方体全是歪斜的。为此,老师对他说‘为什么不把你的立方体画到黑板上呢?’我当时想‘这很有意思!老师竟然选择一名不会画的学生,还让他把立方体画到黑板上去。’”斯蒂格勒知道,在美国的课堂 In 1979, while still a graduate student at the University of Michigan, Jim Stigler traveled to Japan to study pedagogy, and he inadvertently listened to a fourth-grade teaching class in the last row of a crowded classroom. Stigler explained, "The teacher was trying to teach students how to draw three-dimensional cubes on paper in the class, one of whom had no choice at all, and the cube he had drawn was totally skewed. Say to him, ’Why do not you draw your cube on a blackboard?’ I thought ’it was very interesting! The teacher even chose a student who would not paint and let him paint the cube onto the blackboard.’ Tidler knows in the American class