| Identification dimensions | Educational background | M | SD | Sig | t |
| Organization form | 1 | 4.5 | 0.47791 | 0.593 | 0.262 |
| 2 | 4.4333 | 0.64884 | |||
| Examination objects | 1 | 4.3667 | 0.45677 | 0.454 | 0.593 |
| 2 | 4.2333 | 0.54546 | |||
| Qualification recognition | 1 | 3.9 | 1.44914 | 0.292 | 0.000 |
| 2 | 3.9 | 1.10050 | |||
| timeliness | 1 | 4.4 | 0.96609 | 0.641 | 0.192 |
| 2 | 4.3 | 1.33749 | |||
| Examination mode | 1 | 4.5333 | 0.54885 | 0.144 | 0.809 |
| 2 | 4.3 | 0.72776 | |||
| Examination contents | 1 | 4.2667 | 0.56218 | 1 | −0.264 |
| 2 | 4.3333 | 0.56656 | |||
| Assessment efficiency | 1 | 4.15 | 0.62583 | 1 | 0.000 |
| 2 | 4.15 | 0.62583 |