Table 3.
Bifactor confirmatory IRT model – factor loadings for s-SIB performance.
| G | PA | NA | PL | IA | |
|---|---|---|---|---|---|
| sSIB1 | 0.477 | 0.000 | 0.000 | 0.000 | 0.568 |
| sSIB2 | 0.490 | 0.000 | 0.000 | 0.000 | 0.379 |
| sSIB3 | 0.545 | 0.000 | 0.000 | 0.148 | 0.000 |
| sSIB4 | 0.526 | 0.438 | 0.000 | 0.000 | 0.000 |
| sSIB5 | 0.667 | 0.130 | 0.000 | 0.000 | 0.000 |
| sSIB6 | 0.636 | 0.000 | 0.626 | 0.000 | 0.000 |
| sSIB7 | 0.693 | 0.000 | 0.273 | 0.000 | 0.000 |
| sSIB8 | 0.608 | 0.190 | 0.000 | 0.000 | 0.000 |
| sSIB9 | 0.597 | 0.000 | 0.000 | 0.498 | 0.000 |
| sSIB10 | 0.583 | 0.465 | 0.000 | 0.000 | 0.000 |
| sSIB11 | 0.714 | 0.403 | 0.000 | 0.000 | 0.000 |
| sSIB12 | 0.626 | 0.000 | 0.000 | 0.000 | 0.518 |
| sSIB13 | 0.654 | 0.000 | 0.000 | 0.000 | 0.066 |
| sSIB14 | 0.707 | 0.000 | −0.045 | 0.000 | 0.000 |
| sSIB15 | 0.750 | 0.000 | 0.000 | 0.232 | 0.000 |
| sSIB16 | 0.699 | 0.358 | 0.000 | 0.000 | 0.000 |
| sSIB17 | 0.709 | 0.000 | 0.000 | 0.000 | 0.140 |
| sSIB18 | 0.691 | 0.000 | −0.019 | 0.000 | 0.000 |
| sSIB19 | 0.786 | 0.000 | 0.106 | 0.000 | 0.000 |
| sSIB20 | 0.655 | 0.000 | 0.000 | 0.480 | 0.000 |
| sSIB21 | 0.709 | 0.000 | 0.000 | 0.000 | 0.380 |
| sSIB22 | 0.642 | 0.000 | 0.000 | 0.253 | 0.000 |
| sSIB23 | 0.617 | 0.000 | 0.208 | 0.000 | 0.000 |
| sSIB24 | 0.588 | 0.000 | 0.000 | 0.406 | 0.000 |
| sSIB25 | 0.684 | 0.000 | −0.084 | 0.000 | 0.000 |
G, General factor; PA, Positive Assertion; NA, Negative Assertion; PL, Expression of and Dealing with Personal Limitations; IA, Initiating Assertiveness.