. Author manuscript; available in PMC: 2011 Jun 17.

Published in final edited form as: Read Writ. 2010 Jul 1;23(6):701–717. doi: 10.1007/s11145-009-9180-z

Table 4.

Regression analysis exploring the predictors of reading comprehension a) High level skills entered first) b) Low- level skills entered first c) IQ entered first

a)
Variables	R²	Adjusted R²	R² Change	Sig. F Change
l.Vocab	.45	.45	.45	.000
2.ART	.46	.46	.01	.000
3.Decoding	.46	.46	.003	.037
4.Spelling	.47	.46	.004	.006
5.Ravens	.47	.47	.003	.029

b)
Variables	R²	Adjusted R²	R² Change	Sig. F Change
1.Decoding	.008	.007	.008	.005
2.Spelling	.07	.07	.06	.000
3.Vocabulary	.46	.45	.39	.000
4.ART	.47	.46	.01	.000
5.Ravens	.47	.47	.003	.029

c)
Variables	R²	Adjusted R²	R² Change	Sig. F Change
1.Ravens	.025	.024	.03	.000
2.Vocabulary	.450	.449	.43	.000
3.ART	.462	.460	.01	.000
4.Decoding	.465	.463	.003	.024
5.Spelling	.469	.466	.004	.007