translation.en: It was tried only in small classes, but there it showed, for example, that these student-assigned grades on the y-axis are actually very well correlated with the teacher-assigned grade on the x-axis.
translation.zh: 这曾经只在小课堂中用过, 不过这它显示了,比如说, 这些学生批改的在Y轴上的分数 实际上跟老师批改的 在X轴上的分数较为吻合