Table 4. Predicting Executive Function Skills from Social Behavior and Approaches to Learning.

Predictors	B	SEB	β	R²	ΔR²
Step 1				.24	.24^***
Child Sex	-.15	.07	-.10^*
Block Design	.06	.01	.25^***
Vocabulary	.02	.003	.37^***
Step 2				.31	.07^***
Class Participation	.23	.07	.27^**
Prosocial Behavior	.12	.07	.14
Aggressive-Oppositional	.16	.06	.18^**
Step 3				.32	.01
Sex by Participation	-.01	.12	-.01
Sex by Prosocial	-.16	.13	-.15
Sex by Aggressive	-.13	.10	-.13

Note: F (3,339) = 35.48 for step 1, F (3,336) = 11.73 for step 2, F (3,333) = 1.01 for step 3.

p < .05,

^**

p < .01,

^***

p < .001.