Table 2 Power of the item-fit residuals for LTT math age 9 simulations
From: Assessment of fit of item response theory models used in large-scale educational survey assessments
| Item type | Mean (−3 to 3) | Mean (−2 to 2) |
|---|---|---|
| Bad item 1 | 74 | 84 |
| Bad item 2 | 96 | 94 |
| Bad item 3 | 86 | 90 |
| Bad item 4 | 52 | 68 |