| M均值 | D标准差 | SDF | SE | LMX | IP | |
| SDF | 3.89 | 0.690 | 1 | |||
| SE | 3.93 | 0.597 | 0.517** | 1 | ||
| LMX | 3.91 | 0.632 | 0.501** | 0.669** | 1 | |
| IP | 4.06 | 0.607 | 0.498** | 0.688** | 0.704** | 1 |