. Author manuscript; available in PMC: 2014 Jun 1.

Published in final edited form as: J Exp Child Psychol. 2013 Apr 13;115(2):371–387. doi: 10.1016/j.jecp.2013.01.005

Table 2.

Growth Curve Results for Effects of Math Ability Status

Parameter	SymMCoF total score	One-half items	Non-half items	Arabic Numeral Fractions	Visual Models: Matching Wholes	Visual Models: Matching Parts	Spatially Misleading Incongruent Pairs
MLD as reference group
Intercept	43.40^***	11.57^***	20.61^***	1.25^***	4.16^***	3.01^***	3.39^***
Slope	0.18^***	0.11^***	0.10^**	0.02^***	0.01^*	0.01^*	0.05^***
Intercept on TA	19.92^***	8.26^***	8.97^***	2.16^***	1.32^***	0.87^***	3.76^***
Slope on TA	0.03	−0.06^**	0.08^*	−0.01^*	−0.00	−0.01	−0.03^***
Intercept on LA	11.07^***	5.74^***	4.06^*	1.49^***	0.69^*	0.61^*	2.71^***
Slope on LA	0.05	−0.03	0.06	−0.00	0.01	−0.01	−0.02^*
TA as reference group
Intercept	63.33^***	19.83^***	29.58^***	3.40^***	5.48^***	3.88^***	7.16^***
Slope	0.21^***	0.05^***	0.17^***	0.01^***	0.01^***	0.00	0.02^***
Intercept on LA	−8.85^***	−2.53^**	−4.92^***	−0.67^**	−0.63^**	−0.26	−1.05^**
Slope on LA	0.02	0.03	−0.02	0.01	0.01^*	0.00	0.01

Note.

p < .05

^**

p < .01

^***

p < .001