Not seen	Seen	F	Sig.
Dual riding	Attitudes	3.3	3.1	4.20	0.04
N= 515	Descriptive Norms	2.8	2.8	0.02	0.88
	Injunctive norms	2.9	2.8	1.18	0.28
	Intentions	4.1	4.0	1.59	0.21
Mobile phone	Attitudes	4.2	3.9	11.22	<.001
N= 294	Descriptive Norms	3.6	3.3	8.73	0.00
	Injunctive norms	3.6	3.6	0.03	0.86
	Intentions	4.4	4.0	8.19	0.01
Riding under influence	Attitudes	4.1	4.0	1.08	0.30
N=320	Descriptive Norms	3.9	3.7	1.14	0.29
	Injunctive norms	4.0	4.0	0.15	0.70
	Intentions	4.6	4.5	1.80	0.18