Table 3.
Fixed Anchor Calibration Item Parameters
| Item Numbera | Slope | Threshold 1 | Threshold 2 | Threshold 3 | Threshold 4 |
|---|---|---|---|---|---|
| BSI 1 | 2.39 | 0.23 | 1.17 | 1.89 | 2.82 |
| BSI 2 | 2.23 | −0.39 | 0.58 | 1.19 | 2.04 |
| BSI 3 | 3.10 | −0.07 | 0.87 | 1.48 | 2.32 |
| BSI 4 | 4.37 | 0.54 | 1.16 | 1.62 | 2.22 |
| BSI 5 | 3.46 | 0.30 | 1.05 | 1.49 | 2.03 |
| BSI 6 | 2.44 | 1.39 | 2.07 | 2.48 | 3.16 |
|
| |||||
| ASR 1 | 1.23 | 1.36 | 3.31 | ||
| ASR 2 | 1.65 | 2.79 | 4.20 | ||
| ASR 3 | 0.83 | −0.62 | 2.02 | ||
| ASR 4 | 2.96 | 0.53 | 1.87 | ||
| ASR 5 | 1.76 | 0.81 | 2.26 | ||
| ASR 6 | 1.69 | 0.25 | 1.70 | ||
| ASR 7 | 2.32 | 0.94 | 2.16 | ||
| ASR 8 | 1.10 | 1.03 | 2.57 | ||
| ASR 9 | 1.35 | 0.58 | 2.32 | ||
| ASR 10 | 1.84 | 1.60 | 3.00 | ||
| ASR 11 | 1.06 | 0.13 | 2.16 | ||
| ASR 12 | 1.72 | 0.17 | 1.98 | ||
| ASR 13 | 3.35 | 0.26 | 1.60 | ||
| ASR 14 | 2.88 | 0.59 | 1.78 | ||
Note: The item parameters are on the theta-metric (mean 0, SD 1). EAP scores are calculated and then transformed to the T-score metric by multiplying by 10 and adding 50 for the score and by multiplying by 10 for the SD.
Abbreviations: ASR=Adult Self Report; BSI=Brief Symptom Inventory
a
Item numbers here do not correspond with item numbers on the originating scales