Table 1 Fit statistics for the HADS subscale items (collapsed across sample size) for the Rating Scale Model
From: Rasch fit statistics and sample size considerations for polytomous data
Infit MNSQ | SE | Infit t | SE | Outfit MNSQ | SE | Outfit t | SE | ||
|---|---|---|---|---|---|---|---|---|---|
ANX1 | 0.92 | 0.04 | -1.12 | 0.26 | 0.93 | 0.04 | -1.07 | 0.26 | |
ANX2 | 1.02 | 0.02 | 0.11 | 0.17 | 0.98 | 0.02 | -0.40 | 0.18 | |
ANX3 | 0.95 | 0.04 | -1.06 | 0.25 | 0.95 | 0.04 | -1.11 | 0.27 | |
ANX4 | 0.90 | 0.03 | -1.38 | 0.28 | 0.97 | 0.04 | -0.13 | 0.28 | |
ANX5 | 0.87 | 0.03 | -1.71 | 0.23 | 0.88 | 0.04 | -1.37 | 0.22 | |
ANX6 | 1.46 | 0.03 | 5.92 | 0.20 | 1.46 | 0.03 | 5.97 | 0.2 | |
ANX7 | 0.80 | 0.03 | -3.49 | 0.33 | 0.76 | 0.03 | -3.71 | 0.28 | |
Underfit | >1.30 | 1.00 | >2 | 1.00 | >1.30 | 1.00 | >2 | 1.00 | |
Overfit | <0.70 | 0 | <-2 | 1.00 | <0.70 | 0 | <-2 | 1.00 | |
Infit MNSQ | SE | Infit t | SE | Outfit MNSQ | SE | Outfit t | SE | ||
DEP1 | 1.02 | 0.04 | -0.18 | 0.25 | 0.91 | 0.03 | -1.56 | 0.21 | |
DEP2 | 1.09 | 0.06 | 1.35 | 0.31 | 0.97 | 0.07 | 0.01 | 0.25 | |
DEP3 | 0.86 | 0.06 | -1.82 | 0.33 | 0.81 | 0.05 | -1.72 | 0.27 | |
DEP4 | 1.03 | 0.03 | 0.51 | 0.22 | 1.10 | 0.04 | 1.65 | 0.32 | |
DEP5 | 1.34 | 0.07 | 3.48 | 0.29 | 1.18 | 0.09 | 1.17 | 0.22 | |
DEP6 | 0.77 | 0.03 | -3.06 | 0.23 | 0.68 | 0.03 | -3.83 | 0.19 | |
DEP7 | 1.37 | 0.07 | 3.78 | 0.29 | 1.33 | 0.07 | 2.24 | 0.18 | |
Underfit | >1.30 | 2.00 | >2 | 2.00 | >1.30 | 1.00 | >2 | 1.00 | |
Overfit | <0.70 | 0 | <-2 | 1.00 | <0.70 | 1.00 | <-2 | 1.00 |