| The necessity of landscape architectural industry promotion policy and business | Design (a) | 4.83 | .50 | 1.971/.094 | - |
| Supervision (b) | 5.00 | .00 |
| Construction (c) | 4.78 | .44 |
| Maintenance & management (d) | 4.33 | 1.15 |
| Material production and distribution (e) | 5.00 | .00 |
| Universities and research institutes (f) | 4.33 | .98 |
| Average | 4.75 | .62 | - | - |
| The necessity of landscape architectural promotion facility and complex system | Design (a) | 4.70 | .61 | 3.642/.006** | a<b, e |
| Supervision (b) | 5.00 | .00 |
| Construction (c) | 4.89 | .33 |
| Maintenance & management (d) | 4.00 | 1.00 |
| Material production and distribution (e) | 5.00 | .00 |
| Universities and research institutes (f) | 4.00 | 1.13 |
| Average | 4.63 | .73 | | |