142 Appendices Table C2 Differential itemfunctioningof the items basedon theassociationbetween two consecutive items Uijtk = 0 Uijtk = 1 Uijtk = 2 Absolute Item k’’ Item k Observed Expected Observed Expected Observed Expected Difference 2 1 0.66 0.67 1.03 1.03 1.60 1.59 0.01 3 2 0.46 0.49 0.92 0.91 1.47 1.46 0.02 4 3 0.43 0.45 0.82 0.81 1.46 1.46 0.01 5 4 0.47 0.50 0.81 0.81 1.41 1.35 0.03 6 5 0.82 0.79 1.08 1.10 1.70 1.67 0.03 7 6 0.59 0.49 0.88 0.90 1.42 1.46 0.04 8 7 0.86 0.79 1.09 1.12 1.60 1.60 0.03 9 8 0.55 0.58 0.94 0.95 1.56 1.52 0.03 10 9 0.65 0.63 1.00 1.02 1.58 1.55 0.02 11 10 0.92 0.82 1.05 1.10 1.56 1.54 0.06 12 11 0.53 0.48 0.82 0.82 1.36 1.37 0.02 13 12 0.83 0.76 1.04 1.08 1.58 1.56 0.06 14 13 0.36 0.35 0.50 0.48 0.92 0.94 0.02 15 14 1.02 0.99 1.22 1.26 1.65 1.65 0.02
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