Table 2.
Internal consistency of subscales.
| Subscale | Items, n | McDonald ω (in descending order) | Cronbach α |
| Usefulness | 3 | 0.81 | .81 |
| Concerns | 7 | 0.79 | .77 |
| Design | 6 | 0.75 | .64 |
| Usability | 10 | 0.65 | .64 |
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