Table 2.
Mann-Whitney U comparisons among groups on b Test scores.
| Feature | U test | Significance level (p) |
|---|---|---|
| Patients vs. truth-tellers | ||
| Omission errors | 95.000 | 0.002 |
| Commission errors | 75.500 | 0.001 |
| d errors | 97.000 | 0.001 |
| Total response time | 76.500 | 0.001 |
| E-score | 56.000 | <0.0001 |
| Patients vs. malingerers | ||
| Omission errors | 28.000 | <0.0001 |
| Commission errors | 58.500 | <0.0001 |
| d errors | 79.00 | <0.0001 |
| Total response time | 207.00 | 0.734 |
| E-score | 52.000 | <0.0001 |
| Truth-tellers vs. malingerers | ||
| Omission errors | 18.500 | <0.0001 |
| Commission errors | 21.000 | <0.0001 |
| d errors | 28.500 | <0.0001 |
| Total response time | 106.000 | 0.004 |
| E-score | 11.000 | <0.0001 |