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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   Data-generating model
  Fitted model 1PL 2PL 3PL
  1PL 9 65 66
  2PL   11 27
  3PL    20