Item# | Factor loading*† | Item−total correlation | Mean (SD) | S | K | Infit MnSq | Outfit MnSq | Difficulty | Discrimination | DIF contrast across gender §,¶ | |
---|---|---|---|---|---|---|---|---|---|---|---|
Item 1 | 0.700 | .53 | 2.72 (1.03) | −.21 | −1.13 | 1.24 | 1.35 | −0.98 | 0.71 | 0.31 | |
Item 2 | 0.732 | .61 | 2.03 (1.04) | .66 | −.79 | 0.89 | 0.90 | −0.58 | 1.01 | −0.32 | |
Item 3 | 0.783 | .57 | 2.66 (1.06) | −.21 | −1.18 | 0.97 | 0.92 | −0.79 | 1.06 | −0.34 | |
Item 4 | 0.969 | .73 | 2.17 (1.07) | .42 | −1.11 | 1.03 | 0.97 | 0.82 | 1.01 | −0.45 | |
Item 5 | 0.925 | .68 | 2.26 (1.05) | .33 | −1.11 | 0.69 | 0.68 | 0.53 | 1.38 | 0.35 | |
Item 6 | 0.531 | .52 | 1.58 (.92) | 1.45 | .96 | 1.24 | 1.17 | 0.48 | 0.88 | 0.15 | |
Item 7 | 0.743 | .58 | 2.07 (1.12) | .60 | −1.06 | 1.03 | 0.98 | −0.67 | 0.97 | 0.15 | |
Item 8 | 0.832 | .66 | 2.28 (1.01) | .29 | −.99 | 1.07 | 1.10 | 0.43 | 0.88 | 0.10 | |
Item 9 | 0.797 | .72 | 1.68 (.93) | 1.18 | .31 | 0.69 | 0.69 | 0.13 | 1.37 | 00 | |
Item 10 | 0.558 | .48 | 1.89 (1.01) | .76 | −.66 | 1.50 | 1.50 | −0.41 | 0.67 | −0.15 | |
Item 11 | 0.706 | .68 | 1.54 (.87) | 1.59 | 1.57 | 0.75 | 0.69 | 0.54 | 1.35 | 0.18 | |
Item 12 | 0.429 | .43 | 1.55 (.84) | 1.44 | 1.13 | 1.28 | 1.09 | 0.53 | 0.80 | 00 | |
Item 13 | 0.856 | .64 | 2.04 (1.11) | .58 | −1.08 | 0.80 | 0.82 | −0.78 | 1.27 | 00 | |
Item 14 | 0.751 | .67 | 1.74 (.99) | 1.06 | −.15 | 0.86 | 0.81 | 0.06 | 1.20 | −0.32 | |
Item 15 | 0.652 | .54 | 1.97 (1.02) | .68 | −.74 | 1.33 | 1.43 | −0.11 | 0.68 | 0.26 | |
Item 16 | 0.523 | .56 | 1.50 (.85) | 1.67 | 1.86 | 1.17 | 1.12 | 0.71 | 0.93 | 0.46 | |
Item 17 | 0.696 | .56 | 2.05 (1.05) | .63 | −.84 | 1.13 | 1.15 | −0.29 | 0.84 | −0.04 | |
Item 18 | 0.757 | .63 | 2.09 (1.02) | .55 | −.85 | 0.69 | 0.71 | −0.38 | 1.36 | −0.36 | |
Item 19 | 0.569 | .60 | 1.77 (.82) | .97 | .52 | 0.89 | 0.86 | 0.39 | 1.04 | 0.46 | |
Item 20 | 0.699 | .58 | 1.77 (1.03) | 1.21 | .22 | 0.96 | 0.80 | 0.39 | 1.31 | −0.39 |