Table 2.

Fit indices for models of the structure of phonological awareness tasks

Model	B-S X2	df	CFI	RMSEA	B-S X2 difference with Model 1F	AIC	BIC
1F	6.916	5	.998	.020	–	25.443	59.009
2FO:AxS	6.593	4	.995	.041	.322, p = 0.570	27.392	64.314
2FO:PxSP	1.188	4	> .999	< .001	5.727, p = 0.017	22.749	23.393
2FOrt:AxS	22.458*	6a	.445	.349	–	177.946	208.155
2FOrt:PxSP	13.002*	6a	.975	.074	–	31.013	61.222

B-S X² Bollen-Stine bootstrapped X², df degrees of freedom, CFI Comparative Fit Index, RMSEA root mean square error of approximation, AIC Akaike information criterion, BIC Bayesian information criterion

*p < .05

^aIt was necessary to impose an additional restriction on the model, so that it could be identified