Table 2. Phenotypic correlations (top) and twin correlations for each zygosity (bottom) for Flow Proneness, Behavioral Inhibition, and Locus of Control.

Phenotypic correlations (95% confidence intervals)
	Flow Proneness	Behavioral Inhibition	Locus of Control
BI	0.19 (0.16; 0.23)	-	-
LOC	0.18 (0.14; 0.22)	0.23 (0.21; 0.24)	-

Note. MZ = Monozygotic; DZ = Dizygotic; DZOS = DZ opposite-sex.