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. 2018 Apr 2;18:57. doi: 10.1186/s12909-018-1173-7
Effect Degrees of Freedom Mean Squares Estimated variance
Student 49 38.59 1.02
Rater 2 90.73 0.15
Question 10 7.72 0.03
Student*Rater 98 4.45 0.35
Student*Question 490 1.14 0.18
Rater*Question 20 2.28 0.03
Student*Rater*Question 980 0.60 0.60