Table 3.

Hierarchical regression estimating the predictive power of visual rapid simultaneous processing on reading fluency.

Dependent variable	Step	Independent variable	ΔR2	β	F-values	p
Oral_speed	1	Temporal threshold	0.023	-0.15	1.12	0.30
	2	Accuracy of visual 1-back task	0.004	0.06	0.63	0.54
	3	Reaction time of visual 1-back task	0.057	-0.24	1.38	0.26
Silent_speed	1	Temporal threshold	0.000	0.007	0.00	0.96
	2	Accuracy of visual 1-back task	0.045	-0.208	1.08	0.35
	3	Reaction time of visual 1-back task	0.196	-0.443	4.77∗∗	0.006

Oral_speed, the reading speed in oral reading fluency in the sentence level, the unit is the number of characters per minute. Silent_speed, the reading speed in silent reading fluency in the sentence level. ^∗∗p < 0.01.