translation.en: What's even more surprising is that self-grades, where the students grade their own work critically -- so long as you incentivize them properly so they can't give themselves a perfect score -- are actually even better correlated with the teacher grades.
translation.zh: 更惊奇的是,自我批改 就是让学生自己给自己批改作业 只要你合适地激励他们, 确保他们不能随随便便就给自己一个满分- 甚至跟老师批改的成绩更加吻合