Table 7 Standard deviation of time to complete a task
Condition | Image presentation | Operation interface | A | B | C | D | E | all |
|---|---|---|---|---|---|---|---|---|
(a) | 2D | Joystick | 0.9 s | 0.8 s | 3.1 s | 1.6 s | 2.3 s | 3.1 s |
(b) | 3D | Joystick | 2.0 s | 4.3 s | 0.9 s | 6.2 s | 6.3 s | 7.3 s |
(c) | 2D | Pen-type | 0.8 s | 1.2 s | 2.1 s | 1.5 s | 1.2 s | 1.6 s |
(d) | 3D | Pen-type | 0.2 s | 0.8 s | 0.8 s | 0.5 s | 0.6 s | 1.0 s |
(e) | 2D | Glove-type | 2.5 s | 0.4 s | 2.9 s | 1.1 s | 9.9 s | 6.2 s |
(f) | 3D | Glove-type | 1.2 s | 0.7 s | 0.9 s | 1.3 s | 0.9 s | 2.4 s |