Table 2 Items exhibiting DIF
Item No. | Subtest | Chi-square | p value | Class | Item difficulty (TCC) | Item difficulty (Rasch) | Item discrimination |
|---|---|---|---|---|---|---|---|
1 | V | 6.15 | 0.01 | B+ | 0.81 | − 1.15 | 0.28 |
38 | G | 9.33 | 0.00 | B+ | 0.52 | 0.50 | 0.32 |
40 | G | 6.61 | 0.01 | B- | 0.62 | − 0.01 | 0.44 |
45 | C | 8.42 | 0.00 | B− | 0.37 | 1.28 | 0.23 |
58 | R | 9.75 | 0.00 | B− | 0.72 | − 1.28 | 0.45 |