Table 5.
Item parameters for the Graded Response Model
| Slope parameter | Location parameters | ||||
|---|---|---|---|---|---|
| Item | a | b 1 | b 2 | b 3 | b 4 |
| Depression+ | |||||
| 2 | 1.55 (0.06) | −2.98 (0.14) | −1.64 (0.07) | −0.67 (0.04) | 0.94 (0.05) |
| 14 | 1.40 (0.06) | −1.87 (0.08) | −0.85 (0.05) | −0.08 (0.04) | 1.22 (0.06) |
| 15 | 1.15 (0.06) | 0.37 (0.05) | 1.37 (0.07) | 2.22 (0.11) | 3.44 (0.18) |
| 26 | 1.49 (0.06) | −2.03 (0.09) | −0.85 (0.05) | −0.10 (0.04) | 1.15 (0.05) |
| 28 | 1.66 (0.06) | −2.40 (0.10) | −1.24 (0.05) | −0.46 (0.04) | 0.78 (0.04) |
| 29 | 1.66 (0.06) | −1.75 (0.07) | −0.82 (0.04) | −0.13 (0.04) | 0.90 (0.07) |
| 30 | 2.80 (0.09) | −2.01 (0.06) | −0.99 (0.03) | −0.36 (0.03) | 0.63 (0.03) |
| 31 | 1.97 (0.07) | −2.35 (0.09) | −1.26 (0.05) | −0.60 (0.04) | 0.51 (0.03) |
| 32 | 1.60 (0.06) | −1.45 (0.06) | −0.46 (0.04) | 0.35 (0.04) | 1.55 (0.06) |
| 33 | 1.82 (0.06) | −1.52 (0.06) | −0.57 (0.04) | 0.16 (0.03) | 1.28 (0.05) |
| 34 | 1.62 (0.06) | −2.02 (0.08) | −0.97 (0.05) | −0.22 (0.04) | 1.00 (0.05) |
| 41 | 1.78 (0.06) | −1.70 (0.07) | −0.72 (0.04) | −0.07 (0.03) | 0.95 (0.04) |
| 54 | 1.94 (0.07) | −2.01 (0.07) | −0.92 (0.04) | −0.28 (0.03) | 0.74 (0.04) |
| 55 | 1.49 (0.06) | −2.42 (0.10) | −1.28 (0.06) | −0.38 (0.04) | 0.92 (0.05) |
| 71 | 1.82 (0.06) | −1.58 (0.06) | −0.57 (0.04) | 0.11 (0.03) | 1.17 (0.05) |
| 77 | 1.64 (0.06) | −1.47 (0.06) | −0.40 (0.04) | 0.29 (0.04) | 1.45 (0.06) |
| 79 | 2.04 (0.07) | −1.31 (0.05) | −0.49 (0.03) | 0.06 (0.03) | 1.00 (0.04) |
| Agoraphobia | |||||
| 13 | 2.57 (0.10) | −0.03 (0.03) | 0.61 (0.03) | 1.10 (0.04) | 1.79 (0.06) |
| 23 | 1.69 (0.07) | −0.70 (0.04) | 0.05 (0.04) | 0.71 (0.04) | 1.81 (0.07) |
| 25 | 2.24 (0.09) | 0.04 (0.03) | 0.67 (0.03) | 1.10 (0.04) | 1.72 (0.06) |
| 39 | 1.34 (0.06) | −0.58 (0.05) | 0.30 (0.04) | 0.97 (0.06) | 2.05 (0.10) |
| 47 | 2.62 (0.09) | −0.18 (0.03) | 0.32 (0.03) | 0.73 (0.03) | 1.27 (0.04) |
| 48 | 1.48 (0.06) | −0.30 (0.04) | 0.49 (0.04) | 1.20 (0.06) | 2.34 (0.10) |
| 50 | 1.95 (0.07) | −0.82 (0.04) | −0.13 (0.03) | 0.42 (0.03) | 1.32 (0.05) |
| 57 | 1.05 (0.05) | −2.85 (0.14) | −1.45 (0.08) | −0.41 (0.05) | 1.28 (0.08) |
| 70 | 2.25 (0.08) | −0.76 (0.03) | −0.06 (0.03) | 0.45 (0.03) | 1.30 (0.05) |
| 72 | 1.79 (0.07) | −0.60 (0.04) | 0.10 (0.03) | 0.76 (0.04) | 1.74 (0.07) |
| 73 | 1.77 (0.07) | −0.40 (0.04) | 0.30 (0.04) | 0.86 (0.04) | 1.69 (0.07) |
| 82 | 1.71 (0.08) | 0.51 (0.04) | 1.12 (0.05) | 1.55 (0.06) | 2.24 (0.10) |
| Physical complaints | |||||
| 4 | 1.36 (0.05) | −1.51 (0.07) | −0.37 (0.04) | 0.50 (0.04) | 1.97 (0.08) |
| 27 | 1.17 (0.06) | −0.72 (0.06) | 0.07 (0.05) | 0.71 (0.05) | 1.84 (0.09) |
| 42 | 1.66 (0.06) | −1.26 (0.05) | −0.55 (0.04) | 0.00 (0.03) | 0.88 (0.03) |
| 52 | 1.46 (0.06) | −0.26 (0.04) | 0.57 (0.04) | 1.22 (0.06) | 2.40 (0.10) |
| 56 | 2.80 (0.08) | −0.90 (0.03) | −0.16 (0.02) | 0.45 (0.03) | 1.30 (0.04) |
| 58 | 2.62 (0.08) | −0.84 (0.03) | −0.10 (0.03) | 0.47 (0.03) | 1.38 (0.04) |
| Obsessive‐compulsive– | |||||
| 3 | 0.95 (0.05) | −2.26 (0.12) | −1.00 (0.07) | 0.07 (0.05) | 1.88 (0.11) |
| 38 | 1.84 (0.06) | −0.25 (0.03) | 0.57 (0.03) | 1.27 (0.05) | 2.15 (0.08) |
| 45 | 2.64 (0.08) | −0.59 (0.03) | 0.20 (0.03) | 0.74 (0.03) | 1.57 (0.04) |
| 46 | 1.22 (0.05) | −2.17 (0.10) | −0.80 (0.05) | 0.11 (0.04) | 1.54 (0.08) |
| 65 | 1.46 (0.07) | 0.66 (0.04) | 1.29 (0.06) | 1.72 (0.07) | 2.45 (0.11) |
| 86 | 1.02 (0.06) | 0.33 (0.05) | 1.20 (0.07) | 1.98 (0.11) | 3.30 (0.18) |
| Hostility | |||||
| 11 | 1.70 (0.06) | −1.55 (0.06) | −0.39 (0.04) | 0.44 (0.04) | 1.59 (0.06) |
| 24 | 2.83 (0.11) | 0.57 (0.03) | 1.12 (0.03) | 1.61 (0.04) | 2.15 (0.07) |
| 63 | 1.67 (0.09) | 1.07 (0.05) | 1.79 (0.07) | 2.36 (0.10) | 3.22 (0.17) |
| 67 | 1.77 (0.08) | 0.57 (0.04) | 1.25 (0.05) | 1.81 (0.07) | 2.70 (0.11) |
| 74 | 1.58 (0.07) | 0.58 (0.04) | 1.48 (0.06) | 2.19 (0.09) | 3.20 (0.16) |
| 81 | 2.79 (0.13) | 0.93 (0.03) | 1.47 (0.04) | 1.99 (0.06) | 2.61 (0.10) |
| Distrust | |||||
| 18 | 1.64 (0.06) | −0.67 (0.04) | 0.33 (0.04) | 0.99 (0.05) | 2.03 (0.08) |
| 36 | 1.67 (0.06) | −1.36 (0.05) | −0.19 (0.04) | 0.65 (0.04) | 1.84 (0.07) |
| 37 | 2.34 (0.07) | −0.49 (0.03) | 0.33 (0.03) | 0.99 (0.04) | 1.91 (0.06) |
| 43 | 2.41 (0.08) | −0.50 (0.03) | 0.26 (0.03) | 0.84 (0.03) | 1.64 (0.05) |
| 61 | 1.99 (0.06) | −1.28 (0.05) | −0.36 (0.03) | 0.18 (0.03) | 1.09 (0.04) |
| 69 | 1.26 (0.05) | −1.43 (0.07) | −0.14 (0.04) | 0.76 (0.05) | 1.96 (0.09) |
| 83 | 1.60 (0.06) | −0.39 (0.04) | 0.46 (0.04) | 1.14 (0.05) | 2.19 (0.09) |
| Psychoticism– | |||||
| 7 | 2.79 (0.13) | 1.02 (0.03) | 1.49 (0.04) | 1.90 (0.06) | 2.65 (0.10) |
| 35 | 2.19 (0.09) | 0.82 (0.03) | 1.40 (0.05) | 1.93 (0.06) | 2.72 (0.11) |
| 62 | 2.08 (0.10) | 1.04 (0.04) | 1.55 (0.05) | 2.06 (0.07) | 2.74 (0.11) |
| 85 | 1.31 (0.07) | 1.01 (0.05) | 1.73 (0.08) | 2.31 (0.11) | 3.30 (0.18) |
| 89 | 1.00 (0.05) | −2.10 (0.11) | −0.93 (0.07) | 0.01 (0.05) | 1.40 (0.08) |
| 90 | 1.35 (0.06) | −0.41 (0.04) | 0.52 (0.04) | 1.28 (0.06) | 2.42 (0.11) |