From: Post hoc evaluation of analytic rating scales for improved functioning in the assessment of interactive L2 speaking ability
Category
Observed count
Average measure
Outfit MNSQ
Threshold calibration
Threshold change
1
49
− 3.37
1.20
–
2
96
− 1.70
1.70
− 3.26
3
112
− 0.52
1.30
− 1.35
+ 1.91
4
93
0.57
+ 1.92
5
31
4.49
0.80
4.04
+ 3.47