Table 21.

Measurement-model factor variances and unique variances for the model without Language Experience and Reasoning (Model 4) and the model with only Decoding and WMC (Model 4-Reduced).

Model	Factor	Factor Variance	Factor Variance (Std. Error)	Variable	Unique Variance	Unique Variance (Std. Error)
4	Decoding	0.01	0.002	Orthographic Decision	0.01	0.002
				Phonological Decision	0.51	0.11
				Non-word Naming	0.21	0.02
	WMC	32.83	6.18	Reading Span	32.68	4.75
				Alphabet Span	104.82	12.31
				Minus Span	397.88	41.40
				Visual Number Span	2.66	0.24
	Perceptual Speed	21.75	6.90	Letter Comparison	83.79	8.32
				Finding As	132.15	24.97
				Number Comparison	26.85	2.83
				Identical Pictures	149.26	14.66
	Fluency	32.01	5.50	Word Beginnings	29.06	4.17
				Word Endings	37.40	4.48
				Word Beginnings & Endings	29.35	3.24
	Comprehension	0.002	0.001	Investigator-Generated	0.004	0.001
				Nelson-Denny	0.01	0.002
	-			Stroop Inhibition	0.01	0.001
4-Reduced	Decoding	0.01	0.002	Orthographic Decision	0.01	0.002
				Phonological Decision	0.44	0.16
				Non-word Naming	0.21	0.02
	WMC	35.46	6.07	Reading Span	29.45	4.78
				Alphabet Span	111.13	12.27
				Minus Span	395.48	41.77
				Visual Number Span	2.71	0.25
	Comprehension	0.003	0.001	Investigator-Generated	0.004	0.001
				Nelson-Denny	0.01	0.002