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Table 5 Weighted average of variance components and proportions for student performance ratings from a one-facet fully crossed p x r design

From: Exploring assessor cognition as a source of score variability in a performance assessment of practice-based competencies

Source

df

SS

MS

Variance estimate

Proportion

p

12.00

1315.64

105.77

49.35

0.81

r

1.00

41.71

41.71

2.86

0.07

p x r, e

12.00

88.29

7.07

7.07

0.13