Table 1. Intercepts and fixed effects of G/LMM analyses for skipping probability, first fixation duration, gaze duration, go-past times and total viewing time (all timing measures were log transformed).

	Fixed effects	SE
Skipping probability			Z-values
Intercept	−2.61	0.19	13.63
Degradation (Deg)	0.14	0.13	1.08
Color (Col)	−0.18	0.13	1.48
Underlined (Undl)	−0.04	0.12	0.32
Deg X Col	0.22	0.17	1.25
Deg X Undl	0.18	0.17	1.09
Col X Undl	0.05	0.18	0.30
Deg X Col X Undl	−0.28	0.24	1.14
First fixation duration			t-values
Intercept	5.31	0.017	314.53
Deg	−0.072	0.012	6.12
Col	0.004	0.011	0.33
Undl	−0.001	0.010	0.10
Deg X Col	−0.009	0.014	0.65
Deg X Undl	0.004	0.014	0.24
Col X Undl	0.007	0.014	0.50
Deg X Col X Undl	0.011	0.020	0.54
Gaze duration
Intercept	5.47	0.03	190.87
Deg	−0.098	0.015	6.73
Col	0.007	0.012	0.59
Undl	0.021	0.013	1.59
Deg X Col	−0.013	0.017	0.79
Deg X Undl	−0.015	0.017	0.91
Col X Undl	−0.012	0.017	0.69
Deg X Col X Undl	0.021	0.024	0.89
Go-past time
Intercept	5.62	0.04	151.07
Deg	−0.103	0.015	6.32
Col	0.026	0.016	1.69
Undl	0.037	0.015	2.26
Deg X Col	0.008	0.016	0.40
Deg X Undl	−0.001	0.020	0.05
Col X Undl	−0.004	0.020	0.20
Deg X Col X Undl	0.000	0.029	0.01
Total viewing time
Intercept	5.63	0.04	127.03
Deg	−0.080	0.015	5.32
Col	0.031	0.017	1.77
Undl	0.046	0.018	2.59
Deg X Col	−0.011	0.021	0.53
Deg X Undl	−0.028	0.021	1.34
Col X Undl	−0.044	0.021	2.09
Deg X Col X Undl	0.040	0.030	1.33

Notes.

Significant fixed effects are highlighted in bold numerals.