Item | Females | Males | DIF CONTRAST | Joint S.E | Rasch–Welch | MH | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
OBs AV | DIF measure | DIF S.E | OBs AV | DIF measure | DIF S.E | t | p | Chi-sq | p | |||
SP1 | 2.85 |  − 1.07 | 0.08 | 2.72 |  − 0.95 | 0.08 |  − 0.12 | 0.11 |  − 1.03 | 0.302 | 1.52 | 0.218 |
SP2 | 1.93 | 0.49 | 0.07 | 1.82 | 0.56 | 0.07 |  − 0.06 | 0.10 |  − 0.60 | 0.546 | 0.20 | 0.654 |
SP3 | 2.19 | 0.08 | 0.07 | 2.13 | 0.07 | 0.08 | 0.01 | 0.10 | 0.10 | 0.918 | 0.02 | 0.882 |
SP4 | 1.89 | 0.55 | 0.07 | 1.93 | 0.39 | 0.07 | 0.17 | 0.10 | 1.61 | 0.108 | 1.85 | 0.174 |
SP5 | 1.91 | 0.53 | 0.07 | 1.84 | 0.53 | 0.07 | 0.01 | 0.10 | 0.06 | 0.952 | 0.02 | 0.882 |
SP6 | 2.51 |  − 0.46 | 0.07 | 2.50 |  − 0.55 | 0.08 | 0.09 | 0.11 | 0.88 | 0.378 | 0.44 | 0.506 |
SP7 | 2.75 |  − 0.89 | 0.08 | 2.74 |  − 0.98 | 0.08 | 0.10 | 0.11 | 0.87 | 0.383 | 0.97 | 0.325 |
SP8 | 1.77 | 0.75 | 0.07 | 1.58 | 0.95 | 0.08 |  − 0.20 | 0.10 |  − 1.90 | 0.058 | 2.97 | 0.085 |
WR9 | 2.87 |  − 0.63 | 0.08 | 2.78 |  − 0.54 | 0.09 |  − 0.09 | 0.12 |  − 0.72 | 0.472 | 0.27 | 0.603 |
WR10 | 2.78 |  − 0.44 | 0.08 | 2.76 |  − 0.51 | 0.09 | 0.07 | 0.12 | 0.60 | 0.551 | 0.60 | 0.439 |
WR11 | 2.31 | 0.52 | 0.08 | 2.36 | 0.30 | 0.08 | 0.22 | 0.11 | 1.93 | 0.054 | 1.93 | 0.165 |
WR12 | 2.10 | 0.93 | 0.08 | 2.03 | 0.94 | 0.08 | 0.00 | 0.11 |  − 0.03 | 0.974 | 0.00 | 0.983 |
WR13 | 2.87 |  − 0.62 | 0.08 | 2.74 |  − 0.47 | 0.09 |  − 0.14 | 0.12 |  − 1.21 | 0.226 | 0.59 | 0.443 |
WR14 | 2.56 | 0.03 | 0.08 | 2.48 | 0.07 | 0.08 |  − 0.04 | 0.12 |  − 0.31 | 0.753 | 0.31 | 0.580 |
WR15 | 2.62 |  − 0.10 | 0.08 | 2.53 |  − 0.04 | 0.08 |  − 0.06 | 0.12 |  − 0.48 | 0.628 | 0.14 | 0.707 |
WR16 | 2.44 | 0.27 | 0.08 | 2.38 | 0.25 | 0.08 | 0.02 | 0.11 | 0.14 | 0.886 | 0.02 | 0.901 |
RE17 | 2.04 |  − 0.45 | 0.08 | 2.12 |  − 0.46 | 0.08 | 0.01 | 0.11 | 0.08 | 0.934 | 0.57 | 0.450 |
RE18 | 1.83 |  − 0.05 | 0.08 | 1.82 | 0.12 | 0.08 |  − 0.17 | 0.11 |  − 1.45 | 0.146 | 3.81 | 0.051 |
RE19 | 1.66 | 0.28 | 0.08 | 1.69 | 0.39 | 0.08 |  − 0.11 | 0.12 |  − 0.94 | 0.347 | 0.79 | 0.373 |
RE20 | 1.66 | 0.29 | 0.08 | 1.77 | 0.23 | 0.08 | 0.06 | 0.12 | 0.50 | 0.620 | 0.00 | 0.981 |
RE21 | 2.10 |  − 0.59 | 0.08 | 2.19 |  − 0.61 | 0.08 | 0.03 | 0.11 | 0.25 | 0.802 | 0.17 | 0.678 |
RE22 | 1.59 | 0.42 | 0.08 | 1.69 | 0.38 | 0.08 | 0.05 | 0.12 | 0.39 | 0.693 | 0.40 | 0.528 |
RE23 | 2.13 |  − 0.64 | 0.08 | 2.26 |  − 0.75 | 0.08 | 0.10 | 0.11 | 0.90 | 0.370 | 0.45 | 0.505 |
RE24 | 1.44 | 0.74 | 0.08 | 1.53 | 0.70 | 0.08 | 0.03 | 0.12 | 0.29 | 0.769 | 0.97 | 0.324 |
LI25 | 1.52 | 0.08 | 0.07 | 1.54 | 0.01 | 0.07 | 0.07 | 0.10 | 0.68 | 0.498 | 0.23 | 0.630 |
LI26 | 2.11 |  − 0.86 | 0.07 | 2.20 |  − 1.03 | 0.07 | 0.17 | 0.10 | 1.70 | 0.089 | 2.40 | 0.122 |
LI27 | 1.26 | 0.49 | 0.07 | 1.24 | 0.51 | 0.08 |  − 0.02 | 0.11 |  − 0.23 | 0.816 | 0.44 | 0.506 |
LI28 | 1.32 | 0.4 | 0.07 | 1.23 | 0.52 | 0.08 |  − 0.12 | 0.11 |  − 1.09 | 0.276 | 1.03 | 0.310 |
LI29 | 1.35 | 0.34 | 0.07 | 1.34 | 0.34 | 0.08 | 0.00 | 0.11 | 0.03 | 0.972 | 0.07 | 0.791 |
LI30 | 1.44 | 0.20 | 0.07 | 1.45 | 0.16 | 0.08 | 0.05 | 0.10 | 0.45 | 0.656 | 0.65 | 0.422 |
LI31 | 1.53 | 0.05 | 0.07 | 1.48 | 0.11 | 0.08 |  − 0.06 | 0.10 |  − 0.60 | 0.550 | 0.81 | 0.368 |
LI32 | 2.01 |  − 0.69 | 0.07 | 1.92 |  − 0.60 | 0.07 |  − 0.1 | 0.10 |  − 0.98 | 0.330 | 0.61 | 0.436 |