Items | Discrimination factor 1 | Discrimination factor 2 | Discrimination factor 3 | Discrimination factor 4 | Discrimination factor 5 | Difficulty 1 | Difficulty 2 | Difficulty 3 | Difficulty 4 |
1 | 0.578 | 0 | 0 | 0 | 0 | 3.369 | 2.066 | 1.192 | −1.03 |
2 | 1.248 | 0 | 0 | 0 | 0 | 4.891 | 3.74 | 1.625 | −0.254 |
3 | 0.895 | 0 | 0 | 0 | 0 | 3.272 | 2.028 | 0.542 | −0.911 |
4 | 1.046 | 0 | 0 | 0 | 0 | 3.34 | 1.9 | 0.271 | −1.425 |
5 | 0.745 | 0 | 0 | 0 | 0 | 2.767 | 2.071 | 0.876 | −0.57 |
6 | 0.471 | 0 | 0 | 0 | 0 | 2.978 | 2.006 | 0.727 | −0.84 |
7 | 0 | 0.69 | 0 | 0 | 0 | 3.947 | 2.65 | 1.114 | −0.764 |
8 | 0 | 1.224 | 0 | 0 | 0 | 4.785 | 3.001 | 1.092 | −0.949 |
9 | 0 | 1.796 | 0 | 0 | 0 | 5.671 | 4.626 | 2.239 | −0.302 |
10 | 0 | 1.323 | 0 | 0 | 0 | 4.607 | 3.567 | 2.218 | 0.026 |
11 | 0 | 1.371 | 0 | 0 | 0 | 5.023 | 3.794 | 1.577 | −0.606 |
12 | 0 | 0 | 1.148 | 0 | 0 | 6.687 | 5.512 | 2.925 | 0.841 |
13 | 0 | 0 | 1.101 | 0 | 0 | 6.67 | 3.964 | 2.055 | −0.097 |
14 | 0 | 0 | 1.575 | 0 | 0 | 4.928 | 4.155 | 1.873 | 0.003 |
15 | 0 | 0 | 0.721 | 0 | 0 | 6.147 | 4.306 | 2.132 | 0.143 |
16 | 0 | 0 | 0 | 1.311 | 0 | 6.22 | 4.306 | 2.662 | 0.383 |
17 | 0 | 0 | 0 | 1.444 | 0 | 5.454 | 4.069 | 1.705 | −0.187 |
18 | 0 | 0 | 0 | 1.479 | 0 | 4.112 | 2.994 | 1.279 | −0.7 |
19 | 0 | 0 | 0 | 1.458 | 0 | 5.432 | 3.32 | 1.619 | −1.007 |
20 | 0 | 0 | 0 | 0.859 | 0 | 4.08 | 3.072 | 1.811 | 0.347 |
21 | 0 | 0 | 0 | 0 | 0.978 | 4.413 | 2.991 | 1.834 | −0.157 |
22 | 0 | 0 | 0 | 0 | −0.563 | 0.955 | −0.239 | −0.959 | −2.071 |
23 | 0 | 0 | 0 | 0 | 0.99 | 4.057 | 2.988 | 1.311 | −0.41 |
24 | 0 | 0 | 0 | 0 | 1.672 | 5.588 | 4.382 | 1.835 | −0.488 |
25 | 0 | 0 | 0 | 0 | 1.438 | 5.205 | 3.89 | 1.704 | −0.598 |