. Author manuscript; available in PMC: 2017 Apr 1.

Published in final edited form as: J Exp Child Psychol. 2015 Dec 30;144:166–183. doi: 10.1016/j.jecp.2015.09.023

Table 2.

Unconditional model parameters for the second-order latent growth models.

Model	Y-B χ²	df	CFI	RMSEA [95% CI]	Slope		Intercept variance
					Mean	Variance
Phonological awareness
Blending	52.79^**	26	.96	.06 [.03-.08]	1.52^***	0.71^**	5.49^***
Elision	65.88^***	25	.96	.07 [.05-.09]	1.73^***	1.22^**	9.25^***
Rhyme	28.23^***	6	.97	.10 [.07-.14]	0.97^***	1.26^***	3.56^***
Composite	626.87^***	255	.89	.07 [.06-.07]	1.43^***	0.44^**	4.78^***
Letter knowledge
Names	1.18^ns	2	1.00	.00 [.00-.09]	2.96^***	10.86^***	90.74^***
Sounds	7.79^ns	3	.98	0.7 [.00-.13]	0.82^***	0.25^ns	3.12^***

Note. In the letter-sound knowledge model, residuals were constrained to equality across all three time points so that variance of slope and intercept could be estimated.

^ns

p > .05.

^**

p < .01.

^***

p < .001.