TABLE 4-2.

Summary of hierarchical multiple regressions that tested the predictive power of various component skill measures for Chinese word reading.

Predicators	Beginner		Intermediate
	R2	R2 change	R2	R2 change
(1) Age	0.388	0.388***	0.081	0.081**
(2) Non-verbal IQ	0.456	0.068***	0.206	0.125***
(3) RAN-D	0.524	0.068***	0.307	0.101***
(4) RAN-O	0.526	0.002	0.339	0.032*
(5) RAN-C	0.527	0.001	0.340	0.001
(6) PA	0.578	0.051**	0.340	0.000
(1) Age	0.388	0.388***	0.081	0.081**
(2) Non-verbal IQ	0.456	0.068***	0.206	0.125***
(3) RAN-D	0.524	0.068***	0.307	0.101***
(4) RAN-O	0.526	0.002	0.339	0.032*
(5) RAN-C	0.527	0.001	0.340	0.001
(6) Forward digit span	0.535	0.007	0.351	0.011
(1) Age	0.388	0.388***	0.081	0.081**
(2) Non-verbal IQ	0.456	0.068***	0.206	0.125***
(3) RAN-D	0.524	0.068***	0.307	0.101***
(4) RAN-O	0.526	0.002	0.339	0.032*
(5) RAN-C	0.527	0.001	0.340	0.001
(6) Forward digit span	0.535	0.007	0.351	0.011
(7) PA	0.584	0.049**	0.351	0.001
(1) Age	0.388	0.388	0.081	0.081**
(2) Non-verbal IQ	0.456	0.068	0.206	0.125***
(3) PA	0.530	0.074	0.235	0.029
(4) Forward digit span	0.538	0.008	0.267	0.032
(5) RAN-D	0.575	0.036**	0.322	0.055*
(1) Age	0.388	0.388	0.081	0.081**
(2) Non-verbal IQ	0.456	0.068	0.206	0.125***
(3) PA	0.530	0.074	0.235	0.029
(4) Forward digit span	0.538	0.008	0.267	0.032
(5) RAN-O	0.539	0.000	0.338	0.071**
(1) Age	0.388	0.388	0.081	0.081**
(2) Non-verbal IQ	0.456	0.068	0.206	0.125***
(3) PA	0.530	0.074	0.235	0.029
(4). Forward digit span	0.538	0.008	0.267	0.032
(5) RAN-C	0.550	0.012	0.301	0.034*

The number on the left indicates the predicators’ order of entering the equation. *p < 0.05, **p < 0.01, and ***p < 0.001.