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Table 2 Rater measurement report—whole scale

From: Development and validation of a rating scale for Iranian EFL academic writing assessment: a mixed-methods study

Rater Measure (logits) InfitMnsq OutfitMnsq
10 .93 1.65 1.61
4 .92 1.50 1.48
6 .88 .99 .89
7 .76 .89 .87
3 .73 1.10 1.00
9 .71 1.37 .97
2 .71 .93 .80
5 .61 1.21 1.12
8 .59 .62 .53
1 .43 .47 .39
Mean (count, 140) .73 1.07 .96
S.D .16 .37 .37
Rater point biserial, .92
Rater exact agreement, 14.5%
Rater separation ratio, 3.79; rater reliability, .94