Research Article
Midair Gestural Techniques for Translation Tasks in Large-Display Interaction
Table 6
Statistically significant reduction of participants’ subjective rating based on post hoc pairwise comparisons with Wilcoxon signed-rank test.
| Interaction technique preference | Z | Significance () | More | Less |
| General evaluation | Fist | Pinch | 3.509 | | Fist | Sideways | 3.481 | | Palm | Pinch | 4.119 | | Palm | Sideways | 3.904 | |
| Pleasantness | Fist | Pinch | 3.783 | | Fist | Sideways | 3.320 | | Palm | Pinch | 4.464 | | Palm | Sideways | 3.742 | |
| Quickness | Fist | Pinch | 2.694 | | Palm | Pinch | 4.298 | | Palm | Sideways | 2.865 | |
| Accuracy | Fist | Palm | 3.088 | | Fist | Pinch | 2.768 | | Palm | Pinch | 4.379 | |
| Efficiency | Fist | Palm | 3.402 | | Fist | Pinch | 3.517 | | Palm | Pinch | 4.122 | | Palm | Sideways | 3.386 | |
| Physical demand | Fist | Pinch | 3.055 | | Palm | Pinch | 3.816 | | Palm | Sideways | 2.990 | |
| Mental demand | Fist | Pinch | 3.222 | | Palm | Pinch | 3.812 | |
| Frustration | Palm | Pinch | 2.979 | |
| Distractibility | Fist | Pinch | 3.211 | | Palm | Pinch | 3.442 | |
| Efficiency | Fist | Pinch | 2.956 | | Fist | Sideways | 3.238 | | Palm | Pinch | 4.060 | | Palm | Sideways | 3.287 | |
|
|