Table 3.

Twin correlations on the prosociality facets.

	Sharing	Social concern	Kindness	Helping	Empathic concern
MZ twins
Sharing	0.72**	0.39**	0.29*	0.29*	0.37**
Social concern	0.38**	0.63**	0.11	0.08	0.31*
Kindness	0.31*	0.13	0.81**	0.39**	0.15
Helping	0.31*	0.31*	0.24	0.54**	0.09
Empathic concern	0.32*	0.38**	0.22	0.05	0.78**
DZ twins
Sharing	0.19*	0.01	0.10	0.06	0.08
Social concern	–0.04	0.17	0.12	–0.03	–0.12
Kindness	0.11	0.17	0.60**	0.11	0.10
Helping	0.03	–0.03	0.23*	0.01	–0.07
Empathic concern	0.05	0.04	0.16	0.06	0.20*

Rows represent the prosociality scores of one twin, and columns represent the scores of his or her co-twin. *p ;< 0.05, ** p < 0.01.