TABLE II. Subjective Metrics for the System Evaluation.
| Subjective questionnaires | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Navigation effects | |||||
| Traditional navigation | |||||
| Traditional + AR navigation | |||||
| Traditional + haptic navigation | |||||
| Traditional + haptic + AR navigation | |||||
| Haptic + AR navi | |||||
| System evaluation | |||||
| AR graphic performance | |||||
| Haptic performances | |||||
| Visual fatigue | |||||
| Haptic fatigue | |||||
| Overall appraise | |||||
| Exceptions? | |||||
| Surgical navigation | |||||
| Surgical planning | |||||
| Novice training | |||||
| Resident practice | |||||
| Surgical rehearse |
The bold entities is used to distinguish the different types of evaluation.