Table 1.

Means and standard deviations of the psychometric measures and global eye movements.

	Grade 2		Grade 4		Grade 6
	Mean	SD	Mean	SD	Mean	SD
Psychometric measures
Silent reading [RQa]	103	11	101	12	98	16
Reading aloud words	50	12	71	22	95	21
Reading aloud p-wordsb	33	7	41	13	56	17
Rapid naming
Dices	79	19	102	16	115	22
Digits	98	25	134	25	153	32
Visual attention	42	6	56	10	69	12
Eye movement task
Words per minute	74	18	102	26	131	28
Reading errors [%]	23	23	10	8	6	5
N of fixations per word	1.9	0.3	1.7	0.4	1.5	0.2
Fixation duration [ms]	451	110	360	82	288	45
Saccade length [letters]	3.7	0.8	4.2	0.7	4.6	0.6
Regressions [%]	18	9	19	9	15	6

^aReading Quotient, ^bpseudowords.