Table 8 Estimates of discrimination and threshold parameters for the Scale under the graded response model with the Graded Response Model(n = 654, α = 0.05)
Items | Threshold | Discrimination | |||
|---|---|---|---|---|---|
β1 | β2 | β3 | β4 | αi | |
Item4 | -1.073 | 0.034 | 0.868 | 2.290 | 3.300 |
Item7 | -0.998 | 0.008 | 0.816 | 2.110 | 3.689 |
Item11 | -0.891 | 0.167 | 0.951 | 2.230 | 3.267 |
Item14 | -0.857 | 0.285 | 1.030 | 2.430 | 3.157 |
Item2 | -3.447 | -1.224 | 0.830 | 3.300 | 0.913 |
Item6 | -4.349 | -1.716 | 1.076 | 3.910 | 0.691 |
Item10 | -2.739 | -0.993 | 0.997 | 3.080 | 0.991 |
Item13 | -3.258 | -1.043 | 1.268 | 3.560 | 0.867 |
Item3 | -2.870 | -0.539 | 1.347 | 3.440 | 0.780 |
Item8 | -2.651 | -0.667 | 1.542 | 3.760 | 0.823 |
Item12 | -2.688 | -0.387 | 1.534 | 3.750 | 0.881 |
Item15 | -2.386 | -0.377 | 1.492 | 3.560 | 0.948 |
Item1 | -14.584 | -9.753 | -2.692 | 6.460 | 0.237 |
Item5 | -14.214 | -8.639 | -2.109 | 6.240 | 0.253 |
Item9 | -16.603 | -9.918 | -2.790 | 6.260 | 0.241 |
Item16 | -14.155 | -6.674 | -1.432 | 5.450 | 0.294 |