Items | Item Response Theory Parameters | ||||||
---|---|---|---|---|---|---|---|
a | b1 | b2 | b3 | b4 | b5 | b6 | |
1 | 1.83 | − 2.49 | − 1.64 | − 1.09 | −0.52 | 0.50 | 1.53 |
2 | 1.71 | −2.63 | −1.65 | −1.04 | −0.36 | 0.57 | 1.70 |
3 | 2.51 | −2.40 | − 1.62 | − 1.23 | − 0.77 | 0.00 | 1.00 |
4 | 2.12 | −2.40 | − 1.72 | −1.23 | −0.70 | 0.11 | 1.14 |
5 | 1.97 | −2.92 | −1.72 | − 1.07 | − 0.37 | 0.80 | 1.87 |
6 | 2.15 | −2.45 | −1.59 | − 1.07 | − 0.44 | 0.39 | 1.46 |
7 | 1.29 | −2.58 | − 1.36 | −0.53 | 0.45 | 1.33 | 2.20 |
8 | 1.41 | −2.87 | −1.82 | − 1.11 | −0.08 | 1.02 | 2.35 |
9 | 2.52 | −2.57 | −1.78 | −1.31 | −0.74 | 0.08 | 1.22 |
10 | 2.01 | −3.05 | − 2.02 | −1.26 | −0.55 | 0.35 | 1.27 |
11 | 1.47 | −2.76 | −1.71 | −0.82 | 0.09 | 1.13 | 2.26 |
12 | 2.41 | −2.37 | −1.78 | − 1.25 | − 0.68 | 0.34 | 1.53 |
13 | 1.94 | −2.59 | −1.67 | −1.17 | −0.24 | 0.71 | 1.89 |
14 | 0.95 | −3.27 | −1.97 | −0.75 | 0.38 | 1.79 | 3.57 |
15 | 2.16 | −2.54 | −1.62 | − 1.02 | − 0.35 | 0.83 | 1.90 |
16 | 1.28 | −3.79 | −2.63 | −1.66 | − 0.85 | 0.31 | 1.72 |
17 | 1.56 | −3.36 | −2.28 | −1.51 | − 0.79 | 0.26 | 1.62 |
18a | 1.37 | −2.71 | −2.10 | −1.18 | −0.05 | 1.50 | |
19a | 1.37 | −2.93 | −2.06 | −1.06 | −0.12 | 1.33 | |
20 | 1.01 | −3.94 | −1.99 | −0.91 | 0.35 | 1.83 | 3.40 |
21a | 1.46 | −2.95 | −2.22 | −1.54 | −0.61 | 0.67 |