An IERI – International Educational Research Institute Journal
Table 3 Type I error (diagonals) and Power (off-diagonals) of item-fit residuals for different model combinations for LTT math age 9
From: Assessment of fit of item response theory models used in large-scale educational survey assessments
Item-fit residual | Â | Data-generating model | ||
|---|---|---|---|---|
| Â | Fitted model | 1PL | 2PL | 3PL |
| Â | 1PL | 9 | 65 | 66 |
| Â | 2PL | Â | 11 | 27 |
| Â | 3PL | Â | Â | 20 |