TABLE 1.

Correlations between the five eye tracking parameters.

Session	Variables	1	2	3	4	5
First	(1) First fixation duration	–
	(2) Gaze duration	0.65	–
	(3) Regression time	0.14	0.46	–
	(4) Total reading time	0.34	0.72	0.95	–
	(5) Fixation probability	0.16	0.34	0.62	0.61	–
Last	(1) First fixation duration	–
	(2) Gaze duration	0.77	–
	(3) Regression time	0.20	0.45	–
	(4) Total reading time	0.53	0.82	0.88	–
	(5) Fixation probability	0.23	0.44	0.55	0.59	–