. Author manuscript; available in PMC: 2012 May 1.

Published in final edited form as: J Abnorm Psychol. 2011 May;120(2):365–376. doi: 10.1037/a0021815

Table 2.

Intraclass correlations for Parental Criticism and adolescent Externalizing Problems

Measure (respondent)	Twin parent 1	Twin parent 2	Child 1	Child 2
TOSS
Fathers:
Parental Criticism (twin parent 1)	-	0.22^*	0.33^*	0.07
Parental Criticism (twin parent 2)	0.11^*	-	0.06	0.33^*
Externalizing Problems (child 1)	0.21^*	0.05	-	0.21^*
Externalizing Problems (child 2)	0.03	0.21^*	0.08	-
Mothers:
Parental Criticism (twin parent 1)	-	0.29^*	0.19^*	0.10
Parental Criticism (twin parent 2)	0.22	-	0.10	0.18^*
Externalizing Problems (child 1)	0.21^*	0.07	-	0.24^*
Externalizing Problems (child 2)	0.07	0.22^*	0.12^*	-

	Parent 1	Parent 2	Twin child 1	Twin child 2

TCHAD
Fathers:
Parental Criticism (parent 1)	-	0.66^*	0.21^*	0.17
Parental Criticism (parent 2)	0.32^*	-	0.17	0.21^*
Externalizing Problems (twin child 1)	0.13	0.01	-	0.50^*
Externalizing Problems (twin child 2)	0.01	0.13	0.31^*	-
Mothers:
Parental Criticism (parent 1)	-	0.73^*	0.35^*	0.32^*
Parental Criticism (parent 2)	0.45^*	-	0.32^*	0.35^*
Externalizing Problems (twin child 1)	0.31^*	0.07	-	0.56
Externalizing Problems (twin child 2)	0.07	0.31^*	0.29^*	-

Note. MZ and DZ twins are displayed above and below the diagonal, respectively;

p<0.05