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