. Author manuscript; available in PMC: 2010 Aug 1.

Published in final edited form as: J Fam Psychol. 2009 Aug;23(4):500–510. doi: 10.1037/a0015555

Table 3.

Regression Analysis Summary for Harsh Parental Behaviors, PEP Baseline, and Their Interaction in Predicting Externalizing Behaviors (n = 41)

Step and Variable	B	SE B	β	R²	ΔR²	f²
Step 1				.13	.13^†	.15
Child sex	−.41	.18	−.35^*
Family income	.03	.07	.06
Step 2		.		.35	.22^*	.28
Harsh Parental Behaviors	.56	.11	.41^*
PEP Baseline	.05	.09	.08
Parenting × PEP Baseline	−.17	.08	−.32^*

Note. PEP = pre-ejection period (index of sympathetic nervous system), f² = effect size.

p < .05,

^†

p < .10.