[Retracted] Research on User Experience of Sports Smart Bracelet Based on Fuzzy Comprehensive Appraisal and SSA-BP Neural Network
Table 3
Fuzzy membership evaluation matrix of user experience of sports smart bracelets.
First-level indicators
Second-level indicators
Comment set
1
2
3
4
5
6
7
Appearance characteristic S1
Size S11
0
0.02
0.04
0.12
0.34
0.26
0.22
Color matching S12
0
0.02
0.04
0.16
0.3
0.24
0.24
Modeling design S13
0.02
0.02
0.08
0.12
0.34
0.22
0.2
Interactive S2
Somatosensory inductive S21
0
0
0
0.2
0.18
0.38
0.18
Touch interface S22
0
0.4
0.6
0.18
0.22
0.3
0.2
Device synergy S23
0
0
0.6
0.18
0.2
0.36
0.2
Functional S3
Heart rate detection S31
0
0
0
0.2
0.24
0.34
0.22
Detection of sleep S32
0
0
0.04
0.16
0.26
0.28
0.26
Blood oxygen detection S33
0
0
0.04
0.22
0.24
0.32
0.18
Motor function S34
0
0
0.02
0.14
0.32
0.24
0.28
Material S4
Material softness S41
0
0
0
0.12
0.34
0.3
0.24
Material breathability S42
0
0.02
0.04
0.16
0.36
0.24
0.18
Material cleanliness S43
0.02
0
0.12
0.12
0.28
0.28
0.18
Product characteristics S5
Battery endurance S51
0
0.02
0.04
0.12
0.26
0.26
0.3
Waterproof properties S52
0
0
0.04
0.12
0.26
0.3
0.28
Charging way S53
0.02
0
0.02
0.12
0.28
0.32
0.24
Note. 1 is “very dissatisfied,” 2 is “dissatisfied,” 3 is “relatively dissatisfied,” 4 is “uncertain,” 5 is “relatively satisfied,” 6 is “satisfied,” and 7 is “very satisfied.”
