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.