| Construct | No. of Items | Cronbach’s Alpha |
| Transportation Management | 5 | α = 0.821 |
| Storage Management | 5 | α = 0.874 |
| Facility/Asset Management | 5 | α = 0.936 |
| Operational Performance | 6 | α = 0.841 |
| Productivity/Productivity | 4 | α = 0.873 |