Table 3.

LMM coefficients for undersweep-fixation duration and skipping and gaze duration analysis during subsequent reading.

Undersweep-fixation duration
	Comprehension items			Provo Corpus
Random effects	(1 + Cloze | Subject) + (1 + Cloze | Item)			(1 | Subject) + (1 + Cloze + Frequency | Item)
Predictor	b	SE	t	b	SE	t
Intercept	2.171	0.008	286.51	2.095	0.006	323.26
Length	−0.001	0.001	−0.75	−0.002	0.001	−1.73
Frequency	−0.002	0.001	−1.53	0.000	0.003	0.029
Cloze	0.010	0.024	0.42	−0.000	0.012	−0.011
Word skipping
	Comprehension items			Provo Corpus
Random effects	(1 | Subject) + (1 | Item)
Predictor	b	SE	z	b	SE	z
Intercept	−1.162	0.090	−12.85	−0.415	0.114	−3.64
US	0.850	0.090	9.45	0.478	0.060	7.92
Length	−0.435	0.025	−17.59	−0.442	0.017	−26.68
Frequency	0.428	0.035	12.27	0.315	0.026	12.02
Cloze	0.303	0.088	3.43	0.362	0.095	3.81
LS	−0.289	0.010	−29.26	−0.258	0.008	−30.94
Gaze duration
	Comprehension items			Provo Corpus
Random effects	(1 + US + Cloze | Subject) + (1 + Cloze | Item)			(1 + US + Cloze | Subject) + (1 | Item)
Predictor	b	SE	t	b	SE	t
Intercept	5.545	0.029	191.34	2.348	0.008	294.46
US	−0.054	0.023	−2.33	−0.014	0.005	−2.60
Length	0.022	0.003	6.78	0.011	0.001	8.59
Frequency	−0.030	0.006	−5.12	−0.011	0.002	−4.86
Cloze	−0.083	0.057	−1.45	−0.021	0.015	−1.40
LS	0.013	0.002	7.93	0.008	0.001	12.75

Significant t and z values (|t/z| >= 1.96) are printed in bold. All models had the same fixed effects structure which only included additive effects of the predictors

US undersweep, LS launch site