Table 6.
Bias interaction between rater academic major and student academic major.
| Student major | Measure (logits) | Rater major | Measure (logits) | Bias Size | t | df | Prob. |
|---|---|---|---|---|---|---|---|
| Mathematics | 0.16 | Mathematics | −0.61 | 1.09 | 1.45 | 17 | 0.1665 |
| Linguistics | −0.45 | Linguistics | 1.08 | 0.81 | 3.4 | 71 | 0.0011 |
| Mathematics | 0.16 | Psychology | −0.82 | 0.22 | 1.22 | 161 | 0.2258 |
| Science education | 0.15 | Linguistics | 1.08 | 0.19 | 1.06 | 125 | 0.29 |
| Psychology | 0.14 | Psychology | −0.82 | 0.13 | 1.15 | 395 | 0.2491 |
| Psychology | 0.14 | Science education | 0.36 | 0.08 | 0.97 | 557 | 0.3318 |
| Mathematics | 0.16 | Linguistics | 1.08 | 0.07 | 0.37 | 107 | 0.7105 |
| Linguistics | −0.45 | Mathematics | −0.61 | 0.07 | 0.24 | 71 | 0.813 |
| Science education | 0.15 | Science education | 0.36 | 0.02 | 0.14 | 233 | 0.8867 |
| Psychology | 0.14 | Mathematics | −0.61 | 0 | −0 | 89 | 0.9887 |
| Linguistics | −0.45 | Science education | 0.36 | −0.02 | −0.1 | 143 | 0.8987 |
| Science education | 0.15 | Psychology | −0.82 | −0.07 | −0.5 | 215 | 0.6243 |
| Science education | 0.15 | Mathematics | −0.61 | −0.14 | −0.7 | 107 | 0.4746 |
| Mathematics | 0.16 | Science education | 0.36 | −0.22 | −1.6 | 215 | 0.1135 |
| Psychology | 0.14 | Linguistics | 1.08 | −0.32 | −2.6 | 287 | 0.0094 |
| Linguistics | −0.45 | Psychology | −0.82 | −0.67 | −3.3 | 125 | 0.0011 |
p = probability(significant if p < .01), t = t-statistic, df = degree of freedom.