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. Author manuscript; available in PMC: 2008 Oct 1.

Published in final edited form as: Cogn Dev. 2007 Oct;22(4):544–567. doi: 10.1016/j.cogdev.2007.08.003

Relations of Behavioral Measures of EC and Impulsivity with Reports of Children's Sympathy

		T1		T2			T3			T4/5

		P	C	P	T	C	P	T	C	P	T	C

T1 persistence	Total	.22^**	.12⁺	.18^*	.18^*	.11	.11	.13	-.04	.03	.22^**	.08
	Girls	.24^*	.00	.21⁺	.02	.16	.22⁺	.08	.09	.09	.04	.04
	Boys	.14	.15	.08	.22^*	.06	-.03	.07	-.15	-.07	.23^*	.01
T1 sitting still	Total	.06	.13⁺	.09	.09	.26^**	.20^**	.22^**	-.02	.16^*	.12	.11
	Girls	.08	.15	.09	.01	.27^*	.30^**	.23⁺	.08	.15	-.01	.18⁺
	Boys	-.01	.09	.03	.10	.24^*	.09	.14	-.11	.12	.11	-.02
T2 persistence	Total			.08	.19^*	.20^*	-.01	-.06	-.04	.07	.03	.06
	Girls			.01	.10	.27^*	-.14	-.10	.01	.06	-.09	.05
	Boys			.11	.23^*	.13	.06	-.09	-.10	.06	.05	.02
T2 sitting still	Total			.03	.05	.15^*	.03	.00	-.01	.05	.03	.00
	Girls			.06	.05	.10	-.04	.08	.05	.16	-.07	.01
	Boys			.01	.04	.20^*	.11	-.03	-.06	-.03	.10	.00
T3 persistence	Total						.17^*	.18^*	.00	.07	.02	.08
	Girls						.13	.01	-.05	.09	-.15	.08
	Boys						.15	.24^*	.02	.01	.07	.04
T3 sitting still (movement)	Total						.11^b	.15⁺	.05	.13	.12	.20^*^b
	Girls						-.11	.01	.04	-.02	.04	.03
	Boys						.25^*	.30^**	.05	.25^*	.16	.32^**
T3 low reward dominance	Total						-.02	.15⁺	-.17^*	-.01	.12	-.14
	Girls						-.09	.14	-.15	-.03	-.05	-.23⁺
	Boys						.06	.24^*	-.18	.03	.28^*	-.06
T4 low reward dominance	Total									.11	.09^b	.03
	Girls									.05	-.09	.03
	Boys									.21⁺	.29^*	.08

Note: P = parent-reported; T = teacher-reported; C = child-reported. T1 = Time 1; T2 = Time 2; T3 = Time 3; and T4 = Time 4, and T5 = Time 5.

^**

p < .01.

^*

p < or = .05.

⁺

p < .10.

^a

The sex difference was significant at p < .01.

^b

The sex difference was significant at p < .05.