| Result of judgment | Satisfy a objective of plan | Satisfy a customer needs | ||||||
| Unachieved | Achieved | Unachieved | Achieved | |||||
| × | ○ | × | ○ | |||||
| Specification changes | ○ | × | ○ | × | ○ | × | ○ | × |
| Impossible judgment | ○ | × | ○ | × | ○ | × | ○ | × |
| Primary incorrectness | -- | ● | -- | × | -- | × | -- | × |
| Primary correctness | -- | × | -- | ● | -- | ● | -- | ● |
| Secondary incorrectness | -- | -- | -- | -- | -- | ● | -- | × |
| Secondary correctness | -- | -- | -- | -- | -- | × | -- | ● |