TABLE 2. Attributes that affect the pre-use appraisal of the device usability (U), aesthetics (A) and both those aspects.
Attribute code Sample Bootstrapped sample Final
selection
M Med SD M Med SD
F1 Speed of processing U 5.19 6 1.72 5.19 5.91 1.70
Usability
A 3.39 4 1.64 3.39 3.53 1.63
F2 Memory (in Gb) U 5.40 6 1.31 5.40 5.84 1.30
Usability
A 4.32 5 1.71 4.32 4.56 1.69
F3 Capacity to extend memory U 5.23 6 1.55 5.24 5.58 1.54
Usability
A 3.78 4 1.64 3.78 3.94 1.63
F4 Cam resolution and zoom U 5.30 6 1.59 5.30 5.94 1.58
Usability
A 3.86 4 1.74 3.86 4.00 1.73
F5 Type of connectivity U 6.10 7 1.33 6.11 6.73 1.32
Usability
A 4.21 4 1.92 4.20 4.01 1.90
F6 Battery durability U 6.40 7 0.97 6.40 7.00 0.96
Usability
A 3.94 4 1.92 3.94 3.99 1.90
F7 Display resolution U 5.55 6 1.32 5.55 5.98 1.31
Usability
A 4.47 5 1.60 4.47 4.95 1.59
F8 Connect. with other device U 5.93 6 1.07 5.92 6.00 1.06
Usability
A 4.21 4 1.66 4.21 4.37 1.65
F14 Available native apps U 4.59 5 1.68 4.60 4.99 1.66
Usability
A 3.76 4 1.72 3.76 3.99 1.71
F15 Download new apps U 5.11 5 1.56 5.11 5.28 1.55
Usability
A 4.20 4 1.79 4.19 4.14 1.78
F16 User Guide U 4.26 4 1.92 4.25 4.11 1.91
Usability
A 3.14 3 1.71 3.13 3.02 1.70
F17 Accessories for durability U 5.08 5 1.67 5.08 5.38 1.66
Usability
A 4.38 5 1.83 4.38 4.93 1.82
F12 Device size U 4.45 5 1.78 4.45 4.63 1.77
Aesthetics
A 5.34 6 1.53 5.34 5.95 1.52
F13 Device weight U 3.95 4 1.80 3.94 4.00 1.79
Aesthetics
A 4.48 5 1.85 4.49 4.93 1.83
F18 Accessories for personalize
U 2.92 3 1.63 2.93 2.91 1.63
Aesthetics
A 4.56 5 1.82 4.57 4.97 1.80
F9 Camera appearance U 4.36 5 1.72 4.36 4.86 1.72
A 4.10 4.6 1.69 4.20 4.50 1.68 Both
F10 Display size U 5.13 5 1.53 5.12 5.32 1.52
A 5.23 5.5 1.49 5.23 5.39 1.48 Both
F11 Control command U 5.26 6 1.35 5.75 6.00 1.25
A 5.01 5.6 1.55 5.37 5.54 1.54 Both
