Table 2.

Linear-mixed effect models for first fixation duration (ms), dependent on monocular versus binocular reading (M) and heterophoria size (S) and heterophoria direction (D: eso versus exo); in (a) objective measures were analysed, in (b) Maddox-Wing measures and in (c) MCH measures of heterophoria.

(a)	b	SE	t
(Intercept)	241	13.98	17.27***
M: Bino/Mono	25	9.13	2.71**
S: Het Size	5	7.83	0.69
D: Het Direction	7	15.15	0.46
M x S	-11	5.11	-2.21*
M x D	-4	9.90	-0.36
S x D	-1	8.27	-0.04
M x S x D	3	5.40	0.60
(b)	b	SE	t
(Intercept)	254	7.01	36.25***
M: Bino/Mono	20	4.88	4.03**
S: Het Size	-1	2.83	-0.31
D: Het Direction	2	8.51	0.23
M x S	-5	5.11	-2.46*
M x D	-12	9.90	-1.99*
S x D	2	8.27	0.60
M x S x D	3	5.40	1.08
(c)	b	SE	t
(Intercept)	254	4.89	51.88***
M: Bino/Mono	9	3.54	2.73**
S: Het Size	1	1.75	0.20
D: Het Direction	1	8.41	0.18
M x S	-1	1.27	-0.85*
M x D	-5	6.18	-0.78*
S x D	5	4.69	1.14
M x S x D	-1	3.46	-0.17

Note. *: p ≤ 0.05; **: p ≤ 0.01; ***: p ≤ 0.001.