Acceptance of Driverless Vehicles: Results from a Large Cross-National Questionnaire Study
Table 4
Spearman correlation matrix at the national level ().
1
2
3
4
5
6
7
8
9
10
11
(1) General acceptance score
(2) Component 1 score (general acceptance)
0.98
(3) Component 2 score (thrill seeking)
0.50
0.41
(4) Component 3 score (wanting to be in control manually)
0.04
0.05
−0.32
(5) Component 4 score (supporting a car-free environment)
0.82
0.78
0.38
0.10
(6) Component 5 score (being comfortable with technology)
0.92
0.88
0.55
−0.04
0.72
(7) Road traffic death rate per 100,000 population
0.56
0.52
0.67
−0.22
0.26
0.58
(8) Gross domestic product (GDP) per capita
−0.48
−0.42
−0.72
0.21
−0.44
−0.44
−0.58
(9) National performance in educational tests
−0.60
−0.56
−0.78
0.35
−0.39
−0.67
−0.71
0.66
(10) Average life expectancy
−0.43
−0.37
−0.70
0.16
−0.25
−0.45
−0.67
0.82
0.67
(11) Motor vehicle density
−0.59
−0.53
−0.86
0.27
−0.45
−0.60
−0.71
0.88
0.81
0.81
(12) Median age
−0.52
−0.45
−0.79
0.11
−0.25
−0.55
−0.73
0.60
0.73
0.66
0.80
Note. The general acceptance score is the first principal component score. The component 1–5 scores are the scores for the first five components, after Promax rotation.