Table 7 Unidimensional and bifactor graded response IRT model: discrimination and item location parameters
Item | Discrimination parameters: Unidimensional model | |||||
α | b1 | b2 | b3 | b4 | b5 | |
I have felt unheard | 3.02 | -2.51 | -3.56 | -4.70 | -5.83 | -6.58 |
My comments have been ignored | 3.83 | -3.47 | -4.84 | -6.16 | -7.16 | -8.19 |
Some challenged my authority/autonomy | 3.77 | -4.83 | -5.87 | -7.25 | -7.95 | -9.29 |
I have been disrespected | 4.62 | -5.64 | -7.09 | -8.18 | -9.17 | -10.09 |
Someone has tried to “put me in my place” | 6.74 | -8.92 | -10.61 | -11.90 | -13.63 | -14.27 |
Felt excluded from services or resources | 4.17 | -5.69 | -6.95 | -8.11 | -9.26 | -9.94 |
Assumed I did not have much to contribute to conversation | 4.57 | -5.69 | -7.10 | -8.10 | -8.92 | -9.68 |
Someone told me told calm down | 3.17 | -3.10 | -4.25 | -5.32 | -6.73 | -8.20 |
Someone accused me of being angry when speaking calmly | 3.70 | -4.92 | -5.67 | -6.71 | -8.09 | -8.83 |
Discrimination parameters: Bifactor model | ||||||
α | b1 | b2 | b3 | b4 | b5 | |
I have felt unheard | 3.74 | -3.09 | -4.46 | -5.95 | -7.72 | -8.62 |
My comments have been ignored | 6.19 | -26.28 | -37.12 | -47.28 | -60.17 | -67.19 |
Some challenged my authority/autonomy | 3.63 | -4.78 | -5.72 | -7.11 | -8.37 | -9.68 |
I have been disrespected | 3.04 | -5.69 | -7.13 | -8.40 | -9.39 | -10.44 |
Someone has tried to “put me in my place” | 3.69 | -20.62 | -24.67 | -27.81 | -33.58 | NA |
Felt excluded from services or resources | 3.40 | -5.35 | -6.40 | -7.50 | -8.31 | -9.23 |
Assumed I did not have much to contribute to conversation | 3.29 | -4.87 | -6.18 | -7.33 | -8.05 | -8.73 |
Someone told me told calm down | 2.23 | -5.22 | -7.06 | -9.01 | -11.0 | -12.87 |
Someone accused me of being angry when speaking calmly | 2.71 | -4.63 | -5.37 | -6.26 | 7.77 | -8.32 |