Table 5. Variances of the predictor variables.

Predictor	Water set			Mixed set
	σ2	S.E.	p	σ2	S.E.	p
Trajectory type	1.129	0.296	<0.001	1.372	0.329	<0.001
Appearance change	1.007	0.264	<0.001	1.353	0.324	<0.001
Speed frequency	0.289	0.076	<0.001	0.243	0.058	<0.001
Amplitude	0.677	0.177	<0.001	0.750	0.180	<0.001
Temporal regularity	0.196	0.051	<0.001	0.120	0.029	<0.001
Spatial regularity	0.356	0.093	<0.001	0.212	0.051	<0.001
Spatial scale	0.246	0.064	<0.001	0.284	0.068	<0.001
Spatial contrast	0.250	0.066	<0.001	0.256	0.061	<0.001
d1 (relaxation)	0.029	0.008	<0.001	0.016	0.004	<0.001
d2 (pleasure)	0.019	0.005	<0.001	0.017	0.004	<0.001
d3 (arousal)	0.029	0.008	<0.001	0.021	0.005	<0.001
d4 (interest)	0.037	0.010	<0.001	0.021	0.005	<0.001
d5(dominance)	0.025	0.007	<0.001	0.013	0.003	<0.001