Table 4.

Means and standard deviations of all studied variables as a function of tasks and time-bins for scrolling (139 participants on 18 web pages for 20 s each).

	Free viewing				Visual search
	T1F	T2F	T3F	T4F	T1V	T2V	T3V	T4V	Non-significant
Fixations/Dwells
Amount of time (%)	91.40, 3.51	86.19, 6.16	85.58, 5.96	84.58, 6.46	82.14, 8.23	73.54, 9.35	74.09, 8.66	72.56, 9.20	[T2F-T3F,T3F-T4F, T2V-T3V,T3V-T4V]
Avg. count	2.50, 0.45	3.24, 0.62	3.28, 0.66	3.35, 0.67	3.35, 0.73	4.36, 0.80	4.35, 0.72	4.29, 0.71	[T2F-T3F,T3F-T4F, T2V-T3V,T3V-T4V]
Avg. duration (s)	1.91, 0.29	1.50, 0.33	1.48, 0.31	1.44, 0.32	1.39, 0.39	0.95, 0.30	0.95, 0.26	0.93, 0.27	[T2F-T3F,T3F-T4F, T2V-T3V,T3V-T4V]
Movements
Amount of time (%)	8.68, 3.53	13.84, 6.18	14.46, 5.94	15.45, 6.43	17.90, 8.19	26.46, 9.35	25.91, 8.66	27.58, 9.57	[T2F-T3F,T3F-T4F, T2V-T3V,T3V-T4V]
Avg. count	1.50, 0.44	2.22, 0.62	2.26, 0.64	2.33, 0.67	2.35, 0.73	3.35, 0.81	3.32, 0.72	3.26, 0.68	[T2F-T3F,T3F-T4F, T2V-T3V,T3V-T4V]
Avg. duration (ms)	292, 125	305, 99	316, 104	333, 148	385, 172	397, 129	394, 141	429, 158	All
Avg. amplitude (°)	5.88, 3.08	6.48, 3.08	6.46, 2.42	6.78, 2.56	9.29, 3.56	9.78, 2.87	10.12, 3.58	10.47, 3.62	[T2F-T3F,T3F-T4F, T2V-T3V,T3V-T4V]
Dynamic
Avg. K coeff.	0.75, 0.39	0.96, 0.61	0.92, 0.77	0.88, 0.89	0.16, 0.51	-0.06, 0.54	−0.19, 0.56	−0.31, 0.68	[T2F-T3F,T3F-T4F, T3V-T4V]
Avg. switch nb.	1.24, 0.26	1.46, 0.32	1.46, 0.31	1.47, 0.31	1.47, 0.29	1.65, 0.36	1.65, 0.34	1.63, 0.34	[T2F-T3F,T3F-T4F, T2V-T3V,T3V-T4V]

The non-significant column regroups all post-hocs with a p-value > 0.05. Not mentioned post-hocs have a p-value <0.05 or less.