Table 3.
Usefulness of features for Task 2, recalling appointments.
| Feature | Total actual tags | Total possible tags | Percentage tagged |
|---|---|---|---|
| Calendar | 77 | 117 | 65.81 |
| Computer | 53 | 85 | 62.35 |
| Refrigerator | 37 | 60 | 61.67 |
| artifact | |||
| Nightstand | 19 | 36 | 52.78 |
| End table | 43 | 84 | 51.19 |