Table 9.
System usability scores
| Navigation systems | |||
|---|---|---|---|
| CamNav | QRNav | BLE APP | |
| Average overall SUS score | 84.3 | 88 | 76.75 |
| Standard deviation of SUS score | 7.79 | 5.98 | 7.64 |
| Cronbach’s alpha | 0.73 | 0.61 | 0.61 |
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