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.
さらに驚くのは 自己採点結果で 学生に自分で採点させると— 自分に満点をつけたり しないよう適切に 動機付けする 必要がありますが— 教師の採点と より高い 相関を示すのです