Incorporating the Theory of Planned Behaviour into Distracted Driving: Influencing Factors and Intervention Effects

Table 9

Mauchly’s test of sphericity.

Measure	Within subjects effect	Mauchly’s W	Approx. chi-square	df	Sig.	Greenhouse-Geisser	Huynh-Feldt	Lower-bound	The amount of changes
Visual distraction	Time point	0.424	31.774	2	<0.001	0.634	0.664	0.500	−0.51
Cognitive distraction	Time point	0.365	37.312	2	<0.001	0.612	0.638	0.500	−0.57
Physical distraction	Time point	0.465	28.294	2	<0.001	0.652	0.683	0.500	−0.52