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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