Table 4.

Regressions on decoding fluency, listening comprehension, and their product.

	Elementary						Intermediate						Advanced
	Model 1		Model 2		Model 3		Model 1		Model 2		Model 3		Model 1		Model 2		Model 3
Predictors	Estimates	p	Estimates	p	Estimates	p	Estimates	p	Estimates	p	Estimates	p	Estimates	p	Estimates	p	Estimates	p
Intercept	0.68	<0.001	0.68	<0.001	0.68	<0.001	0.75	<0.001	0.75	<0.001	0.74	<0.001	0.81	<0.001	0.81	<0.001	0.81	<0.001
LC	0.09	0.717	−0.16	0.499	−0.15	0.536	0.29	0.130	0.28	0.150	0.25	0.192	0.68	<0.001	0.66	0.007	0.66	0.024
DF			0.35	0.014	0.34	0.019			0.04	0.679	0.10	0.397			0.09	0.094	0.09	0.101
LC × DF					0.07	0.927					−0.73	0.302					−0.05	0.925
R2/R2 adj.	0.006/−0.039		0.257/0.187		0.258/0.146		0.080/0.047		0.086/0.018		0.123/0.022		0.495/0.475		0.549/0.513		0.549/0.493

LC, listening comprehension; DF, decoding fluency. Model 1 includes only listening comprehension, then decoding fluency entered in model 2, and finally the product of listening comprehension and decoding fluency entered in model 3.