Table 2 Fit statistics for the HADS subscale items (collapsed across sample size) for the Partial Credit 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 | 0.97 | 0.04 | -0.17 | 0.25 | 0.98 | 0.04 | -0.06 | 0.27 | |
ANX2 | 0.88 | 0.03 | -1.87 | 0.23 | 0.87 | 0.03 | -1.78 | 0.22 | |
ANX3 | 0.86 | 0.03 | -2.41 | 0.26 | 0.90 | 0.04 | -1.89 | 0.28 | |
ANX4 | 1.05 | 0.03 | 0.95 | 0.23 | 1.06 | 0.04 | 1.12 | 0.24 | |
ANX5 | 0.92 | 0.03 | -0.93 | 0.20 | 0.91 | 0.04 | -0.97 | 0.22 | |
ANX6 | 1.45 | 0.04 | 5.36 | 0.22 | 1.44 | 0.05 | 5.24 | 0.24 | |
ANX7 | 0.78 | 0.03 | -3.61 | 0.28 | 0.74 | 0.03 | -3.48 | 0.26 | |
Underfit | >1.30 | 1.00 | >2 | 1.00 | >1.30 | 1.00 | >2 | 1.00 | |
Overfit | <0.70 | 0 | <-2 | 2.00 | <0.70 | 0 | <-2 | 1.00 | |
Infit MNSQ | SE | Infit t | SE | Outfit MNSQ | SE | Outfit t | SE | ||
DEP1 | 0.96 | 0.04 | -0.74 | 0.20 | 0.88 | 0.04 | -1.51 | 0.19 | |
DEP2 | 0.97 | 0.04 | -0.03 | 0.25 | 0.98 | 0.08 | 0.17 | 0.23 | |
DEP3 | 0.86 | 0.04 | -1.76 | 0.28 | 0.85 | 0.06 | -0.93 | 0.29 | |
DEP4 | 1.17 | 0.03 | 2.54 | 0.21 | 1.11 | 0.03 | 1.71 | 0.19 | |
DEP5 | 1.12 | 0.06 | 1.26 | 0.27 | 1.20 | 0.11 | 1.06 | 0.21 | |
DEP6 | 0.73 | 0.03 | -3.82 | 0.20 | 0.64 | 0.03 | -3.20 | 0.19 | |
DEP7 | 1.17 | 0.06 | 1.41 | 0.25 | 1.68 | 0.19 | 2.74 | 0.19 | |
Underfit | >1.30 | 0 | >2 | 1.00 | >1.30 | 1.00 | >2 | 1.00 | |
Overfit | <0.70 | 0 | <-2 | 1.00 | <0.70 | 1.00 | <-2 | 1.00 |