Discrimination parameter | Difficulty parameters for each threshold | ||||
---|---|---|---|---|---|
a | b1 | b2 | b3 | b4 | |
Item 1 | 1.62 | –2.11 | –0.98 | 0.46 | 1.94 |
Item 2 | 2.18 | –1.75 | –0.66 | 0.57 | 1.91 |
Item 3 | 1.98 | –2.04 | –0.76 | 0.33 | 1.75 |
Item 4 | 2.06 | –1.73 | –0.66 | 0.26 | 1.43 |
Item 5 | 1.91 | –2.32 | –1.11 | 0.08 | 1.45 |
Item 6 | 1.27 | –2.72 | –1.27 | 0.23 | 2.05 |
Item 7 | 0.93 | –4.93 | –3.38 | –1.65 | 0.21 |