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Mean (standard deviation) values of objective variables for mutual gaze, task completion time, and hand gestures.
| Conditions | Mutual gaze (count/min.) | Task completion time (sec.) | Hand gestures (count per sec.) | ||
|---|---|---|---|---|---|
| Pointing hand pose | Grasp hand pose | Neutral hand pose | |||
| Baseline | 5.1 (1.8) | 79.2 (31.2) | 3,159 | 5,164 | 8,383 |
| FoV | 6.1 (2.2) | 69.1 (23.0) | 1,632 | 4,237 | 7,711 |
| Eye-gaze | 6.7 (1.5) | 79.15 (38.3) | 1,176 | 4,746 | 5,806 |
| Head-gaze | 7.9 (2.5) | 65.2 (19.5) | 1,281 | 4,220 | 5,401 |
